Month: April 2024

ECG of Atrial and ventricular hypertrophy

https://youtu.be/wGz1jQD9YLU ECG of atrial and ventricular hypertrophy ECG training course Date of show : 08 May 2024, 09:00 PM CAI Introduction to ECG – 1st part 20:19 Heart axis deviation and alfa angle 23:13 Normal ECG values and heart rate calculation 37:53 ECG of atrial and ventricular hypertrophy 31:37 ECG changes in Myocardial Infarction MI 18:56 ECG of heart rate disorders 17:21 Arrhythmia, Flutters and Fibrillations 22:50 Extrasystole arrhythmias 14:49 ECG of heart block 27:19

Gut Infections

Short incubation periods   Staphylococcus Aureus A Gram-positive bacterium which produces toxins causing intestinal inflammation. The bacteria makes enterotoxins to compete with other bacteria in cooked and processed foods, but these end up being ingested by humans, causing symptoms The symptoms are due to the toxin rather than the bacteria, which gives the short incubation period of 1–6 hours.   Symptoms Nausea and explosive vomiting up to 24 hours Abdominal pain, weakness and headache   Key tests Stool culture to assess if bacterium is present Management Fluid and electrolyte replacement as illness quickly resolves within a couple days   Bacillus

Sexually Transmitted Diseases (STDs)

Chlamydia This is a condition which is caused by the bacteria Chlamydia trachomatis. It is the commonest sexually transmitted disease in the UK. It is spread through all types of sex and can be passed to the baby during childbir   Symptoms  Often the infection is asymptomatic In females, can cause vaginal bleeding, discharge and deep dyspareunia In males, can cause urethritis (dysuria and discharge) Eye disease – can cause blindness Joints – often a cause of reactive arthritis Risk factor for pelvic inflammatory disease (PID) in women, leading to infertility   Key tests Investigation of choice is nuclear acid

Parasitic Infections

Malaria This is a mosquito borne infection which injects the parasite Plasmodium into the blood. There are 4 main variants of the parasite and the natural vector is the female anopheles’ mosquito Pre-erythrocytic stage Mosquito injects sporozoites into human blood These migrate to liver and infect hepatocytes, multiplying by mitosis They can stage in the liver for up to 2 years remaining immature as hypnozoites These differentiate into merozoites which are released from the liver into the bloodstream   Erythrocytic stage Trophozoites infect RBCs, feeding on haemoglobin using the enzyme haem polymerase These form a schizont and multiply asexually, and

Fungal Infections

Pneumocystis Jirovecci This is a fungal infection that is seen in immunocompromised patients. It is an AIDS-defining disease, typically causing a pneumonia in HIV positive patients.   Symptoms Atypical pneumonia (SOB, dry cough, fever) but very few chest signs The classic symptom is desaturation of SpO2 during exercise/exertion Can lead to secondary pneumothorax, hepatosplenomegaly and lymphadenopathy   Key tests Blood tests show raised inflammatory markers and fungal markers (beta-glucan) CXR/HRCT shows bilateral interstitial pulmonary opacifications Sputum culture – this can be taken directly or from bronchoalveolar lavage if needed Lung biopsy may be required if diagnostic doubt   Management Co-trimoxazole is

Viral Infections

AIDS This is a condition caused by the human immunodeficiency virus (HIV). The virus gains entry in CD4+ T cells. As the infection progresses, it leads to depletion of the CD4 cells, leading to a decrease in immune function. This leads to acquired immunodeficiency syndrome (AIDS).   Transmission Sexual Transmission Vertical (mother to baby) IVDU   Symptoms Seroconversion (3–12 weeks following infection) Flu-like symptoms with fatigue, fever, lymphadenopathy, sore throat, and arthralgia Erythematous papular rash and mouth ulcers Persistent generalised lymphadenopathy (swollen lymph nodes lasting > 3 months)   Chronic infection This is usually asymptomatic until complications of immunosuppression develop

Resistant Bacterial Infections

C. difficile This is a Gram-positive bacterium which colonises the gut in the absence of one’s commensal harmless bacteria. The commensal flora in the gut can be killed due to the use of broad-spectrum antibiotics, leaving the individual vulnerable to a C. diff infection. The bacteria make a toxin which leads to inflammation in the colon, causing pseudomembranous colitis. It is a common hospital-acquired infection and can spread rapidly between patients.   Causes Most commonly secondary to antibiotics beginning with the letter “C” like cephalosporins, clindamycin. Also associated with PPI use.   Symptoms Diarrhoea, abdominal pain, fever If severe, can

Bacterial Infections

Lyme disease This is a condition which is caused by the bacteria Borrelia burgdorferi. Transmission occurs via the Ixodes tick bite, so it is important to ask a detailed travel history to places where these ticks live e.g., forests, parks (e.g., Richmond Park in London has a higher incidence). It initially causes an expanding area of redness on the skin at the site of the tick bite. The bacteria can become systemic and spread to the heart, joints and CNS where they can persist for years. It is thought that the bacteria induce an autoimmune disease secondary to molecular mimicry,

Psychiatric History

The psychiatric history is probably one of the most difficult histories to conduct, as the patient may present with no physical symptoms at all, just a general sense of feeling low. As a result, they may not give you much information at all and not be willing to engage with your questions. ‌ The biggest mistake that students make when taking a psychiatric history for depression is losing their structure. It is important to remember that we still want to find out about the presenting complaint – feelings of lethargy, poor sleep, loss of appetite are all symptoms and we

Paediatric History

This is a history taking template for a young child where you will be taking the history from the parent.  Now that you are familiar with taking basic histories, there are some situations where we have to amend our general structure. Keep in mind, whether it be children, mental health patients or other specific conditions, we are still very much interested in finding out the presenting complaint, ICE and the past medical, family, drug and social history. The only difference in these histories is that we must also ask some additional questions to screen for problems specific to this group

Vomiting

The vomiting history is similar to cough – it is a symptom which has an onset, timing etc. but also we need details about the physical content of the vomit. So what are some differentials for vomiting? Neurological Tumour Raised ICP Idiopathic intracranial hypertension Hydrocephalus Bleed   Infection Gastroenteritis Infective colitis Malignancy Gastric cancer GI cancer   GI Pancreatitis Bowel obstruction Oesophageal varices Peptic ulcers Alcohol/gastritis It is very important to screen the abdominal system right from top to bottom. Notice how vomiting with constipation is more likely to suggest bowel obstruction, compared to with diarrhoea (more likely food poisoning). Unexplained vomiting

Urinary Frequency

This history will usually refer to a middle-aged/elderly male complaining or urinary symptoms. The main purpose of the history will be to distinguish whether this condition is benign (BHP) or something more sinister, such as prostate/bladder cancer. In addition, for a younger patient, we might also be concerned with a STI. So what are some common conditions which might cause urinary frequency? Urinary tract Benign prostatic hyperplasia Prostate cancer Bladder cancer Over-active bladder Infection UTI STI Looking at these differentials, the systems we have to explore are the urinary system and possible sexually transmitted infections. Again when going through the symptoms, we should enquire

Syncope

This history refers to patients who have experienced a loss of consciousness on more than one occasion. What are some common conditions which might cause this? Raised intracranial pressure Bleed Tumour Hydrocephalus   Neurological Epilepsy Cardiovascular Palpitations (AF) Vasovagal reflex Postural hypotension Looking at these differentials, the systems we are most interested in exploring during our specific systems review will be the neurological and cardiovascular systems. Remember, common things are common. Someone presenting with syncope is much more likely to have some form of vasovagal reflex, or a side effect of their blood pressure medication than epilepsy – but this is a diagnosis we do not

Rectal Bleeding

Rectal bleeding is a serious symptom which should ring bells. If we take the anatomical approach the main conditions which can cause this are bowel cancer, diverticulitis, IBD but also more benign conditions like haemorrhoids and an anal fissure. Therefore, in our GI specific systems review, we will need to work through the GI tract. Again, in any female of child bearing age (14 to 60) we should always query pregnancy and gynaecological conditions.   Introduction Good afternoon, my name is _______ and I am one of the student doctors here. Is it _______(patient’s name)? I just wanted to ask

Palpitations

As a medical student, this is actually one of the simplest histories to take. The reason is that apart from the heart, there are few things which can cause palpitations. Nevertheless, what we do have to concentrate on is taking a really detailed account of the presenting complaint – specifically when do the palpitations start, what brings them on, are they there all the time etc. In addition, we have to screen for cardiovascular and breathing symptoms, as these are connected to the heart. So what specific systems should we screen for?‌ Cardiovascular–> Chest pain, loss of consciousness Respiratory –> Breathlessness

Joint Pain

Joint pain is one of the most common presentations you will see. Again we are interested in the onset, timing etc. A key aspect for joint pain is working out whether this is an inflammatory or non-inflammatory problem. The difference in prognosis, treatment of osteoarthritis vs rheumatoid is substantial. So an important symptom to explore is STIFFNESS. Is it worse in the morning? How long does it last? So what are the differentials for joint pain? Trauma Sports injury Fall   Non-inflammatory Osteoarthritis   Other Chronic fatigue syndrome Fibromyalgia Inflammatory Rheumatoid arthritis Rheumatoid variants Gout Pseud-gout Bursitis Septic arthritis Therefore,

Headache

When considering a headache, what are some common conditions which might cause this? Raised intracranial pressure Bleed Tumour Idiopathic intracranial hypertension Hydrocephalus   Infection Sinusitis Meningitis Encephalitis Brain abscess  Trauma Extradural/subdural hematoma   Neurological Epilepsy Migraine Tension headache   Infarction Ischaemic stroke Therefore, when conducting the specific systems review, we will need to ask questions that cover all of these differentials and allows us to narrow down (if not rule out) the most serious causes. This will most cover the head and neck and the nervous system   Introduction Good afternoon, my name is _______ and I am one of the student

Cough

Taking a history for a cough, vomiting, diarrhoea, and blood in the urine all fall into a group. Here you have a type of symptom which requires exploration not only about the onset, timeline, associated symptoms, but also about the physical content of the substance. A history which covers only one aspect will be inadequate and will mean that you miss out key information. Therefore, in these histories, do not forget to ask about the “S (specific questions)” in OATES. ‌ When considering a cough, what are some common conditions which might cause this? Chest infection Viral infection Pneumonia Fungus  

Chest Pain

Chest pain is one of the most common reasons why patients present into A&E. So what are some of the differentials to consider? Cardiovascular MI Aortic dissection Palpitations Aneurysm Heart failure Pericarditis GI Gastro-oesophageal reflux Respiratory Asthma Pulmonary embolism Chest infection   MSK Pulled muscle Costochondritis Therefore, when conducting the specific systems review, we will need to ask questions that cover all of these systems, which will allow us to narrow down (if not rule out) the most serious causes. In addition, during the presenting complain, as you gain more experience, you will naturally learn to ask more specific questions,

Abdominal Pain

With these different histories, whilst the overall structure will be identical to before, pay close attention to the presenting complaint and systems review sections – as this is what will differ.‌ For the presenting complaint, I have included the most common symptoms a patient is initially likely to tell you. Remember to screen fully, and only after you have fully screened for all the symptoms, you can follow SOCRATES or OATES to explore each one in detail. If there are symptoms listed in the example presenting complaints that the patient does not say, remember to ask about these in the

FAQs

It is important to note that the example history before is just a model, and so it might not work in 100% of situations. However, it is a template which should always give you a base with which to work from and not panic in stressful situations. Below are some common queries which students have and how to get round them.   1. What if the patient mentions their family history or something different during a different part of the history? Whilst you might have this model template in your mind, the patient will not. They are just going to

History Taking – Explained

Now that you have read a general template, let’s go through each aspect trying to understand exactly why we ask these specific questions, and what information we hope to gain from them.   Introduction Good afternoon, my name is _______ and I am one of the student doctors here. Is it _______(patient’s name) To begin within, it is essential that you introduce yourself to the patient and clearly explain what level you are i.e. whether you are a medical student, junior doctor, consultant. By doing this, the patient will be able to probably gauge your level of experience and knowledge

History Taking – A General Template

Below is a general template for taking a history. In a nutshell, we should aim to introduce ourselves politely and start with an open question thus allowing the patient to describe in their own words what the problem is. After this we can work through the different categories obtaining information to gain a full perspective of the patient’s illness and obtaining the most likely differentials. Do not worry if you do not understand why we are asking all these questions, it will be explained in much more detail on the next page.   Introduction Good afternoon, my name is _______

History Taking Principles

History taking is one of the most important skills required by a doctor. Many clinicians argue that 70% of the diagnosis can be found in the history, with follow up investigations, imaging and special tests only really required to answer initial doubts.‌ Each question in your history should be asked with a purpose. Let us imagine that someone has presented with vomiting. What are some differentials in this scenario? Gastrointestinal Infective colitis Pancreatitis Biliary conditions Bowel Obstruction Achalasia   CardioRespiratory Myocardial infarction   Neurological Cerebrovascular accident Extra/sub dural haematoma Raised ICP Brain tumour   Non-organic Drugs Alcohol Allergies   By

Normal ECG values and heart rate calculation

https://youtu.be/eW6B1K6dZuo Normal ECG values and heart rate calculation ECG training course Date of show : 06 May 2024, 09:00 PM CAI Introduction to ECG – 1st part 20:19 Heart axis deviation and alfa angle 23:13 Normal ECG values and heart rate calculation 37:53 ECG of atrial and ventricular hypertrophy 31:37 ECG changes in Myocardial Infarction MI 18:56 ECG of heart rate disorders 17:21 Arrhythmia, Flutters and Fibrillations 22:50 Extrasystole arrhythmias 14:49 ECG of heart block 27:19 PDF materials of lesson : Normal ECG and Heart Rate calculation

Thalassemia

Microcytic Anaemia A problem in haemoglobin results in the improper folding in RBC leading to a reduced cell mass. – Due to the structure of haemoglobin, it is caused by deficits in haem group or Hb chains themselves.   Iron Deficiency Anaemia (IDA) This is a microcytic anaemia which occurs due to decreased levels of iron, most common worldwide.   Causes: – Blood loss –> GI bleeding or menstruation (seen in 14% of women) – Poor diet –> seen in babies or children – Malabsorption –> coeliac disease, due to inflammation of the small bowel   Symptoms: – General signs

Sickle Cell Disease

Normocytic Anaemia This refers to anaemia with normal-sized RBCs (MCV = 80-100). It is mainly due to 2 types of disease: – Increased peripheral destruction –> haemolytic anaemias – Underproduction by the bone marrow –> aplastic anaemia, chronic kidney disease – To distinguish between peripheral destruction and underproduction by the bone marrow, you look at the reticulocyte count  Reticulocyte Count   Intravascular Haemolysis These conditions involve destruction of RBCs within blood vessels and lead to following signs: – Haemoglobinaemia –> raised free plasma Hb in serum – Haemoglobinuria –> this causes tea-coloured urine – Decreased Plasma haptoglobin –> This mops

Polycythaemia Vera

Myeloproliferative Disorders This is a neoproliferation of mature cells of the myeloid lineage – it is a disease of late adulthood – Cells of all myeloid lineages are increased but the disease is classified based on main cell type produced. – They are associated with mutations in JAK2 kinase – Main complications are risk of ­ ↑ uric acid (gout) due to high cell turnover, bone marrow fibrosis and progression to an acute leukaemia.    Polycythaemia Vera (RBC) This is a proliferation of RBCs, which are unusual as they do not require erythropoietin to survive – Almost all of these

Multiple Myeloma

Plasma Cell Disorders Abnormal plasma cell proliferation gives excessive secretion of immunoglobin giving organ dysfunction. – The urine of these patients contains Bence Jones proteins (free Ig chains) which are filtered by the kidney.   Multiple Myeloma This is due to proliferation of plasma cells in the bone marrow, usually seen around age of 70. – Plasma cells crowd out hematopoiesis, activate osteoclasts and produce excessive levels of antibodies.   Symptoms – These primarily are caused by increased osteoclast activity and Ig production i) Osteoclast activity: – Bone pain –> osteoclasts cause bone resorption with punched out lesions – Hypercalcemia

Lymphoma

Lymphomas This is a neoplastic proliferation of lymphocytes which accumulate in lymph nodes or tissue forming a mass – They are divided into Hodgkin’s lymphoma (characterized by Reed-Sternberg Cells) and Non-Hodgkin’s   Hodgkin Lymphoma (HL) This is a malignant proliferation of Reed-Sternberg (RS) cells. These are large B cells with prominent nucleoli in their multilobed nuclei (owl eyed nuclei) – The RS cells are CD15 and CD30, and secrete cytokines giving B cell symptoms – They attract inflammatory cells which make up the tumour bulk – It usually occurs in a bimodal distribution – seen in 20s and in 60-70-year-old

Leukaemia

Acute Leukaemia This is the neoplastic proliferation of (WBC precursors “blasts”), defined as >20% blasts in bone marrow – Increased blasts disrupt normal hematopoiesis, resulting in a quick-onset presentation with anaemia (fatigue), thrombocytopenia (bleeding) and neutropenia (infection).   Acute Lymphoblastic Leukaemia (ALL) This is a neoplastic proliferation of immature lymphoblasts in the bone marrow, which leads to bone marrow failure and tissue infiltration. It is the most common malignancy of childhood (rarer in adults) – The cancer cells have a marker, which is the enzyme TdT and are divided into B or T cell lymphoblasts – B cell lymphoblasts display

Immune Thrombocyopaenic Purpura

Platelet Disorders These can arise due to decreased bone marrow production, excess destruction or poor functioning – These abnormalities are divided into quantitative (low platelet count due to bad supply or removal) and qualitative disorders (where there is a problem with the structure or function of the platelet) – Clinical features usually involve mucosal and skin bleeding. – Skin bleeding –> leads to petechiae + Purpura (3mm) + Easy bruising. – Mucosal bleeding –> leads to epistaxis (most common symptom) + GI bleeding + hematuria Qualitative Platelet Disorders   Immune Thrombocytopenic Purpura (ITP) This is an autoimmune production of antibodies

Hyponatraemia

Clinical Chemistry Sodium     Hyponatraemia This is a low concentration of plasma Na+. As the concentration depends on both sodium levels and water volume, hyponatreamia can either be due to a lack of sodium ions or too much water.   Causes: The main way to distinguish the causes is first assessing if the patient is dehydrated or full of water. – If dehydrated, this suggests the primary problem is losing Na+ ions, and water indirectly follows as a result. –> Kidney etiology – Addison’s disease or renal failure –> Outside kidneys – Burns, diarrhea, small bowel obstruction   –

Hyperkalaemia

Clinical Chemistry Sodium     Hyponatraemia This is a low concentration of plasma Na+. As the concentration depends on both sodium levels and water volume, hyponatreamia can either be due to a lack of sodium ions or too much water.   Causes: The main way to distinguish the causes is first assessing if the patient is dehydrated or full of water. – If dehydrated, this suggests the primary problem is losing Na+ ions, and water indirectly follows as a result. –> Kidney etiology – Addison’s disease or renal failure –> Outside kidneys – Burns, diarrhea, small bowel obstruction   –

Hypercalcaemia

Clinical Chemistry Sodium     Hyponatraemia This is a low concentration of plasma Na+. As the concentration depends on both sodium levels and water volume, hyponatreamia can either be due to a lack of sodium ions or too much water.   Causes: The main way to distinguish the causes is first assessing if the patient is dehydrated or full of water. – If dehydrated, this suggests the primary problem is losing Na+ ions, and water indirectly follows as a result. –> Kidney etiology – Addison’s disease or renal failure –> Outside kidneys – Burns, diarrhea, small bowel obstruction   –

Haemophilia

Coagulation Disorders These disorders are caused by a problem relating to one or more of the factors in this coagulation cascade. – Typically, they lead to delayed bleeding from joints and muscle and also after surgery.   Haemophilia A This is a genetic deficiency of Factor VIII – It is inherited in an X-linked recessive pattern (mostly affects males) but also spontaneous mutation   Symptoms: – Deep tissue, joint (haemarthroses) and prolonged post-surgical/trauma bleeding – This can lead to haemophiliac arthropathy (resembles osteoarthritis but due to recurrent hemarthroses)   Tests: – Raised APTT and low Factor VIII assay – Normal

Disseminated Intravascular Coagulation

Coagulation Disorders These disorders are caused by a problem relating to one or more of the factors in this coagulation cascade. – Typically, they lead to delayed bleeding from joints and muscle and also after surgery.   Haemophilia A This is a genetic deficiency of Factor VIII – It is inherited in an X-linked recessive pattern (mostly affects males) but also spontaneous mutation   Symptoms: – Deep tissue, joint (haemarthroses) and prolonged post-surgical/trauma bleeding – This can lead to haemophiliac arthropathy (resembles osteoarthritis but due to recurrent hemarthroses)   Tests: – Raised APTT and low Factor VIII assay – Normal

Anaemia

Anaemia: Overview Anaemia is defined as a low haemoglobin (Hb) concentration, which can be either due to a reduced RBC mass or increased plasma volume (e.g. in pregnancy) – It is <135g/L for men and <115g/L for women – Subdivided by the mean corpuscular volume (MCV) into microcytic (MCV<80um3), normocytic (80-100) and macrocytic (MCV > 100).   Symptoms: – Weakness, fatigue and dyspnea – Pale conjunctiva and skin – Headaches + light headedness – Angina –> especially if there is pre-existing coronary artery disease (+ aortic flow murmur) – Can be signs of a hyperdynamic circulation due to compensation (tachycardia,

Amyloidosis

Plasma Cell Disorders Abnormal plasma cell proliferation gives excessive secretion of immunoglobin giving organ dysfunction. – The urine of these patients contains Bence Jones proteins (free Ig chains) which are filtered by the kidney.   Multiple Myeloma This is due to proliferation of plasma cells in the bone marrow, usually seen around age of 70. – Plasma cells crowd out hematopoiesis, activate osteoclasts and produce excessive levels of antibodies.   Symptoms – These primarily are caused by increased osteoclast activity and Ig production i) Osteoclast activity: – Bone pain –> osteoclasts cause bone resorption with punched out lesions – Hypercalcemia

Porphyrias

This is a group of rare disease causes by various errors of porphyrin biosynthesis, genetic or acquired. – Porphyrin is made in a series of enzyme reactions. – Depending on the faulty part, there is accumulation of either porphyrinogens (unstable precursors of porphyrins) or initial reactants like d-aminovulinic acid. – The initial reactants are neurotoxic, whilst porphyrins induce photosensitivity + free radical formation.   Acute intermittent porphyria This is an autosomal dominant condition due to a defect in porphobilinogen deaminase, which is much more common in females – The results in the toxic accumulation of d-aminolaevulinic acid and porphobilinogen –

Clinical Chemistry

Sodium     Hyponatraemia This is a low concentration of plasma Na+. As the concentration depends on both sodium levels and water volume, hyponatreamia can either be due to a lack of sodium ions or too much water.   Causes: The main way to distinguish the causes is first assessing if the patient is dehydrated or full of water. – If dehydrated, this suggests the primary problem is losing Na+ ions, and water indirectly follows as a result. –> Kidney etiology – Addison’s disease or renal failure –> Outside kidneys – Burns, diarrhea, small bowel obstruction   – If not

Plasma Cell Disorders

Abnormal plasma cell proliferation gives excessive secretion of immunoglobin giving organ dysfunction. – The urine of these patients contains Bence Jones proteins (free Ig chains) which are filtered by the kidney.   Multiple Myeloma This is due to proliferation of plasma cells in the bone marrow, usually seen around age of 70. – Plasma cells crowd out hematopoiesis, activate osteoclasts and produce excessive levels of antibodies.   Symptoms – These primarily are caused by increased osteoclast activity and Ig production i) Osteoclast activity: – Bone pain –> osteoclasts cause bone resorption with punched out lesions – Hypercalcemia –> increase bone

Myeloproliferative Disorders

This is a neoproliferation of mature cells of the myeloid lineage – it is a disease of late adulthood – Cells of all myeloid lineages are increased but the disease is classified based on main cell type produced. – They are associated with mutations in JAK2 kinase – Main complications are risk of ­ ↑ uric acid (gout) due to high cell turnover, bone marrow fibrosis and progression to an acute leukaemia.    Polycythaemia Vera (RBC) This is a proliferation of RBCs, which are unusual as they do not require erythropoietin to survive – Almost all of these patients have

Lymphomas

Lymphomas This is a neoplastic proliferation of lymphocytes which accumulate in lymph nodes or tissue forming a mass – They are divided into Hodgkin’s lymphoma (characterized by Reed-Sternberg Cells) and Non-Hodgkin’s   Hodgkin Lymphoma (HL) This is a malignant proliferation of Reed-Sternberg (RS) cells. These are large B cells with prominent nucleoli in their multilobed nuclei (owl eyed nuclei) – The RS cells are CD15 and CD30, and secrete cytokines giving B cell symptoms – They attract inflammatory cells which make up the tumour bulk – It usually occurs in a bimodal distribution – seen in 20s and in 60-70-year-old

Leukaemias

Leukaemias This is a neoplastic proliferation of WBC cell types which do not form a mass, divided into acute and chronic: Leukhaemias will usually be diagnosed in the follow pathway: – FBC –> shows raised WBC count – Blood smear –> shows presence of tumour cells in the blood – Bone marrow biopsy with immunophenotyping is diagnostic –> shows >20% blasts with cell markers – CT staging scan allows for staging and to look for organ involvement NICE Referral Guidelines   Acute Leukaemia This is the neoplastic proliferation of (WBC precursors “blasts”), defined as >20% blasts in bone marrow –

Coagulation Disorders

Coagulation Disorders These disorders are caused by a problem relating to one or more of the factors in this coagulation cascade. – Typically, they lead to delayed bleeding from joints and muscle and also after surgery.   Haemophilia A This is a genetic deficiency of Factor VIII – It is inherited in an X-linked recessive pattern (mostly affects males) but also spontaneous mutation   Symptoms: – Deep tissue, joint (haemarthroses) and prolonged post-surgical/trauma bleeding – This can lead to haemophiliac arthropathy (resembles osteoarthritis but due to recurrent hemarthroses)   Tests: – Raised APTT and low Factor VIII assay – Normal

Platelet Disorders

Platelet Disorders These can arise due to decreased bone marrow production, excess destruction or poor functioning – These abnormalities are divided into quantitative (low platelet count due to bad supply or removal) and qualitative disorders (where there is a problem with the structure or function of the platelet) – Clinical features usually involve mucosal and skin bleeding. – Skin bleeding –> leads to petechiae + Purpura (3mm) + Easy bruising. – Mucosal bleeding –> leads to epistaxis (most common symptom) + GI bleeding + hematuria Qualitative Platelet Disorders   Immune Thrombocytopenic Purpura (ITP) This is an autoimmune production of antibodies

Normocytic Anaemia

Normocytic Anaemia This refers to anaemia with normal-sized RBCs (MCV = 80-100). It is mainly due to 2 types of disease: – Increased peripheral destruction –> haemolytic anaemias – Underproduction by the bone marrow –> aplastic anaemia, chronic kidney disease – To distinguish between peripheral destruction and underproduction by the bone marrow, you look at the reticulocyte count  Reticulocyte Count   Intravascular Haemolysis These conditions involve destruction of RBCs within blood vessels and lead to following signs: – Haemoglobinaemia –> raised free plasma Hb in serum – Haemoglobinuria –> this causes tea-coloured urine – Decreased Plasma haptoglobin –> This mops

Heart axis deviation and alfa angle

https://youtu.be/Qr-G4Sw71zk Heart axis deviation and alfa angle ECG training course Date of show : 04 May 2024, 09:00 PM CAI Introduction to ECG – 1st part 20:19 Heart axis deviation and alfa angle 23:13 Normal ECG values and heart rate calculation 37:53 ECG of atrial and ventricular hypertrophy 31:37 ECG changes in Myocardial Infarction MI 18:56 ECG of heart rate disorders 17:21 Arrhythmia, Flutters and Fibrillations 22:50 Extrasystole arrhythmias 14:49 ECG of heart block 27:19 PDF materials of lesson : Heart axis deviation

Macrocytic Anaemia

Macrocytic Anaemia This is an anaemia with MCV > 100um3, most commonly due to folate or Vitamin B12 deficiency.– These are needed to make DNA which is needed for cell division. Causes of macrocytic anaemia can be remembered by the acronym FAT RBC MC: Foetus Alcohol excess Thyroid (hypothyroid) Reticulocytosis (due to haemolytic anaemia as RBC precursors are bigger) B12/folate deficiency Cirrhosis (liver) Myeloproliferative disorders –> precursors are bigger than RBC so increase average volume Cytotoxic drugs (e.g. 5-fluorouracil)   Folate deficiency This is found in green leafy vegetables, nuts and liver and is absorbed in the jejunum. – The deficiency leads to

Microcytic Anaemia

Microcytic Anaemia A problem in haemoglobin results in the improper folding in RBC leading to a reduced cell mass. – Due to the structure of haemoglobin, it is caused by deficits in haem group or Hb chains themselves.   Iron Deficiency Anaemia (IDA) This is a microcytic anaemia which occurs due to decreased levels of iron, most common worldwide.   Causes: – Blood loss –> GI bleeding or menstruation (seen in 14% of women) – Poor diet –> seen in babies or children – Malabsorption –> coeliac disease, due to inflammation of the small bowel   Symptoms: – General signs

Anaemia: Overview

Anaemia: Overview Anaemia is defined as a low haemoglobin (Hb) concentration, which can be either due to a reduced RBC mass or increased plasma volume (e.g. in pregnancy) – It is <135g/L for men and <115g/L for women – Subdivided by the mean corpuscular volume (MCV) into microcytic (MCV<80um3), normocytic (80-100) and macrocytic (MCV > 100).   Symptoms: – Weakness, fatigue and dyspnea – Pale conjunctiva and skin – Headaches + light headedness – Angina –> especially if there is pre-existing coronary artery disease (+ aortic flow murmur) – Can be signs of a hyperdynamic circulation due to compensation (tachycardia,

Haematology Principles

Haematology Principles Blood cells are made from heamatopoietic stem cells in bone marrow which differentiate into either: – Common myeloid progenitors – Lymphoid progenitors, which give rise to lymphocytes.   One of the most important types of cells is the red blood cell. – Formed from an erythroid progenitor called reticulocyte. – Its role is to carry oxygen to tissues around the body In order to make red blood cells, you have to make the cellular precursors and haemoglobin:   Cellular precursors: To make reticulocytes, folic acid is needed for thymidine synthesis to make DNA – This needs Vitamin B12,

Introduction to ECG – 1st part

https://youtu.be/wEgCgh4LI7E Introduction to ECG – 1st part ECG training course Date of show : 02 May 2024, 09:00 PM CAI Introduction to ECG – 1st part 20:19 Heart axis deviation and alfa angle 23:13 Normal ECG values and heart rate calculation 37:53 ECG of atrial and ventricular hypertrophy 31:37 ECG changes in Myocardial Infarction MI 18:56 ECG of heart rate disorders 17:21 Arrhythmia, Flutters and Fibrillations 22:50 Extrasystole arrhythmias 14:49 ECG of heart block 27:19 PDF materials of lesson : Introduction to ECG for beginners

Vaginal Conditions

Bartholin’s abscess This is an abscess which forms on the Bartholin’s glands which line the vagina. – It arises when one of the ducts carrying fluid from the gland gets blocked, giving a fluid filled lump (cyst) – The cysts can then become infected by bacteria leading to the formation of a Bartholin’s abscess. Symptoms: – Vaginal pain and redness – Unilateral swelling near the vaginal introitus   Diagnosis: Clinical Diagnosis   Management: – 1st line is antibiotics. – If abscess does not respond/is painful, cyst drainage is performed (using word catheter or marsupialization)   Vulval Carcinoma This describes a

Urogynaecology

Urinary Incontinence This is a very important gynaecological condition which has a huge impact of patients’ lives. – There are two main types of incontinence in females, each of which have different pathologies and treatments. – It affects about 4-5% of the population, being more common in elderly females   i) Urge Incontinence This is the involuntary leakage preceded/accompanied by a sudden desire to pass urine – It occurs due to an overactive bladder due to increase detrusor muscle overactivity   Causes: Mostly idiopathic but can be associated with neurological conditions (e.g. MS, PD) – Can be made worse by

Urogynaecology

Urinary Incontinence This is a very important gynaecological condition which has a huge impact of patients’ lives. – There are two main types of incontinence in females, each of which have different pathologies and treatments. – It affects about 4-5% of the population, being more common in elderly females   i) Urge Incontinence This is the involuntary leakage preceded/accompanied by a sudden desire to pass urine – It occurs due to an overactive bladder due to increase detrusor muscle overactivity   Causes: Mostly idiopathic but can be associated with neurological conditions (e.g. MS, PD) – Can be made worse by

Ovarian Conditions

Ovarian Torsion This is when the ovary twists on its supporting ligaments. It is a gynaecological emergency as it can cut of the blood supply to the ovary, resulting in ischaemia   Risk factors: – Ovarian cysts (especially dermoid cyst/PCOS) – Ovulation induction Symptoms: Sudden onset of sharp, colicky, unilateral lower quadrant abdominal pain – Nausea and Vomiting – May also be a low-grade pyrexia and sinus tachycardia   Tests: Pelvic ultrasound is used –> unilateral ovarian enlargement, oedema, ‘whirlpool’ sign – Laparoscopy is diagnostic   Treatment: Emergency laparoscopy to uncoil twisted ovary + fixation   Polycystic Ovary Syndrome (PCOS)

Ovarian Cysts and Cancer

It is not uncommon to develop cystic masses on the ovaries. – In premenopausal women, most ovarian masses are benign. – The incidence of ovarian cancer increases with age, so postmenopausal women are at a higher risk of malignancy – There are both non-neoplastic and neoplastic types of cysts which can occur naturally or be pathological: a) Non-Neoplastic Cysts: Physiological: These cysts develop as part of the menstrual cycle. They are considered physiological and usually self-resolve over 2-3 menstrual cycles. They include: –> Follicular cysts: These occur when the dominant follicle does not rupture releasing the egg cell   –> Corpus

Menopause

Menopause refers to the natural halting of the menstrual cycle due to depletion of ovarian follicles. – It is defined as amenorrhoea for 2 years below the age of 50 or 12 months over the age of 50. – The average age of menopause in the UK is 51. – Perimenopause refers to the period before the menopause in which the woman begins to experience symptoms of the approaching menopause  Pathophysiology of Menopause Symptoms: – Menstrual changes -> change in length, frequency and amount of blood loss – Hot flushes and night sweats – Joint and muscle aches – Atrophic

Benign Breast Conditions

Mastitis This is a condition that refers to inflammation of the breast – It is associated with breastfeeding: milk stasis can cause an inflammatory response -> may then get secondary infection, most commonly with staphylococcus aureus Symptoms: Erythematous, tender, swollen area of breast – Systemic upset with fevers, chills and fatigue   Management: – 1st line is to advise continue breastfeeding, ensuring the breast is fully emptied – If symptoms do not improve after 24 hours of milk removal –> Flucloxacillin 10-14 days   Breast Abscess This can occur if mastitis is left untreated Symptoms: Gives a tender, red fluctuant

Uterine Conditions

Endometrial Cancer A uterine cancer usually seen in post-menopausal women, in 2 types: i) Uterine sarcoma: A malignant proliferation of muscles of the uterus ii) Adenocarcinoma: A malignant proliferation of the endometrial glands It is the most common invasive carcinoma of the female genital tract which is further divided into two subtypes: Type 1: – This is called an endometroid carcinoma where the tumours look like normal endometrial glands – Associated with high oestrogen levels and often preceded by endometrial hyperplasia   Type 2: – This has multiple subtypes, is a rarer and not linked to oestrogen exposure   Full adenocarcinoma

Uterine Conditions

Endometrial Cancer A uterine cancer usually seen in post-menopausal women, in 2 types: i) Uterine sarcoma: A malignant proliferation of muscles of the uterus ii) Adenocarcinoma: A malignant proliferation of the endometrial glands It is the most common invasive carcinoma of the female genital tract which is further divided into two subtypes: Type 1: – This is called an endometroid carcinoma where the tumours look like normal endometrial glands – Associated with high oestrogen levels and often preceded by endometrial hyperplasia   Type 2: – This has multiple subtypes, is a rarer and not linked to oestrogen exposure   Full adenocarcinoma

Uterine Conditions

Endometrial Cancer A uterine cancer usually seen in post-menopausal women, in 2 types: i) Uterine sarcoma: A malignant proliferation of muscles of the uterus ii) Adenocarcinoma: A malignant proliferation of the endometrial glands It is the most common invasive carcinoma of the female genital tract which is further divided into two subtypes: Type 1: – This is called an endometroid carcinoma where the tumours look like normal endometrial glands – Associated with high oestrogen levels and often preceded by endometrial hyperplasia   Type 2: – This has multiple subtypes, is a rarer and not linked to oestrogen exposure   Full adenocarcinoma

Menstrual Conditions

Premenstrual syndrome (PMS) This describes the distressing physical, psychological and behavioural symptoms in the absence of organic disease that regularly occur during the luteal phase of the menstrual cycle – This occurs in most women and encompasses a whole spectrum of severity from minor to debilitating. – Cause unknown but associated with change in levels of oestrogen + 5-HT levels at the beginning of cycle   Symptoms: – Psychological –> depression, anxiety, irritability – Physical –> fatigue, bloating, mastalgia, acne   Management: – If mild, then reduce salt, caffeine and stress – 1st line is Combined oral contraceptive pill –

Cervical Ectropion

Cervical Ectropion A condition in which simple columnar epithelium (lining the endocervix) is present on the ectocervix. – This type of epithelium is more fragile than the stratified squamous epithelium that usually lines the ectocervix and may bleed after sexual intercourse – Ectropion can also lead to increased vaginal discharge as simple columnar cells are mucus-producing – It is diagnosed clinically after ruling out other more sinister pathologies like cervical cancer. Causes: – Raised oestrogen levels (e.g. pregnancy, COCP) Symptoms: Mostly asymptomatic but may cause: – Post-coital bleeding – An increase in vaginal discharge – Pain/bleeding during cervical screening –

Stroke

Cervical Ectropion A condition in which simple columnar epithelium (lining the endocervix) is present on the ectocervix. – This type of epithelium is more fragile than the stratified squamous epithelium that usually lines the ectocervix and may bleed after sexual intercourse – Ectropion can also lead to increased vaginal discharge as simple columnar cells are mucus-producing – It is diagnosed clinically after ruling out other more sinister pathologies like cervical cancer. Causes: – Raised oestrogen levels (e.g. pregnancy, COCP) Symptoms: Mostly asymptomatic but may cause: – Post-coital bleeding – An increase in vaginal discharge – Pain/bleeding during cervical screening –

Breast Cancer

Many breast conditions can present with a lump, which can be malignant or benign. When this happens, the standard procedure is to conduct a triple assessment, which involves three types of tests: i) Clinical examination – should involve a chaperone (not a family member) ii) Radiology – Ultrasound for <35years; mammography and ultrasound for >35 years old iii) Histology – Fine needle aspiration (FNA) or core biopsy for new lumps NICE Referral Guidelines   Risk Factors The risk factors are related to oestrogen exposure as well as to specific genes: – Age (most breast cancers occur in women >50yrs) –

Menstrual Conditions

Premenstrual syndrome (PMS) This describes the distressing physical, psychological and behavioural symptoms in the absence of organic disease that regularly occur during the luteal phase of the menstrual cycle – This occurs in most women and encompasses a whole spectrum of severity from minor to debilitating. – Cause unknown but associated with change in levels of oestrogen + 5-HT levels at the beginning of cycle   Symptoms: – Psychological –> depression, anxiety, irritability – Physical –> fatigue, bloating, mastalgia, acne   Management: – If mild, then reduce salt, caffeine and stress – 1st line is Combined oral contraceptive pill –

Urogynaecology

Urinary Incontinence This is a very important gynaecological condition which has a huge impact of patients’ lives. – There are two main types of incontinence in females, each of which have different pathologies and treatments. – It affects about 4-5% of the population, being more common in elderly females   i) Urge Incontinence This is the involuntary leakage preceded/accompanied by a sudden desire to pass urine – It occurs due to an overactive bladder due to increase detrusor muscle overactivity   Causes: Mostly idiopathic but can be associated with neurological conditions (e.g. MS, PD) – Can be made worse by

Menopause

Menopause refers to the natural halting of the menstrual cycle due to depletion of ovarian follicles. – It is defined as amenorrhoea for 2 years below the age of 50 or 12 months over the age of 50. – The average age of menopause in the UK is 51. – Perimenopause refers to the period before the menopause in which the woman begins to experience symptoms of the approaching menopause  Pathophysiology of Menopause Symptoms: – Menstrual changes -> change in length, frequency and amount of blood loss – Hot flushes and night sweats – Joint and muscle aches – Atrophic

Menstrual Conditions

Premenstrual syndrome (PMS) This describes the distressing physical, psychological and behavioural symptoms in the absence of organic disease that regularly occur during the luteal phase of the menstrual cycle – This occurs in most women and encompasses a whole spectrum of severity from minor to debilitating. – Cause unknown but associated with change in levels of oestrogen + 5-HT levels at the beginning of cycle   Symptoms: – Psychological –> depression, anxiety, irritability – Physical –> fatigue, bloating, mastalgia, acne   Management: – If mild, then reduce salt, caffeine and stress – 1st line is Combined oral contraceptive pill –

Vaginal Conditions

Bartholin’s abscess This is an abscess which forms on the Bartholin’s glands which line the vagina. – It arises when one of the ducts carrying fluid from the gland gets blocked, giving a fluid filled lump (cyst) – The cysts can then become infected by bacteria leading to the formation of a Bartholin’s abscess. Symptoms: – Vaginal pain and redness – Unilateral swelling near the vaginal introitus   Diagnosis: Clinical Diagnosis   Management: – 1st line is antibiotics. – If abscess does not respond/is painful, cyst drainage is performed (using word catheter or marsupialization)   Vulval Carcinoma This describes a

Stroke

Cervical Ectropion A condition in which simple columnar epithelium (lining the endocervix) is present on the ectocervix. – This type of epithelium is more fragile than the stratified squamous epithelium that usually lines the ectocervix and may bleed after sexual intercourse – Ectropion can also lead to increased vaginal discharge as simple columnar cells are mucus-producing – It is diagnosed clinically after ruling out other more sinister pathologies like cervical cancer. Causes: – Raised oestrogen levels (e.g. pregnancy, COCP) Symptoms: Mostly asymptomatic but may cause: – Post-coital bleeding – An increase in vaginal discharge – Pain/bleeding during cervical screening –

Uterine Conditions

Endometrial Cancer A uterine cancer usually seen in post-menopausal women, in 2 types: i) Uterine sarcoma: A malignant proliferation of muscles of the uterus ii) Adenocarcinoma: A malignant proliferation of the endometrial glands It is the most common invasive carcinoma of the female genital tract which is further divided into two subtypes: Type 1: – This is called an endometroid carcinoma where the tumours look like normal endometrial glands – Associated with high oestrogen levels and often preceded by endometrial hyperplasia   Type 2: – This has multiple subtypes, is a rarer and not linked to oestrogen exposure   Full adenocarcinoma

Ovarian Cysts and Cancer

It is not uncommon to develop cystic masses on the ovaries. – In premenopausal women, most ovarian masses are benign. – The incidence of ovarian cancer increases with age, so postmenopausal women are at a higher risk of malignancy – There are both non-neoplastic and neoplastic types of cysts which can occur naturally or be pathological: a) Non-Neoplastic Cysts: Physiological: These cysts develop as part of the menstrual cycle. They are considered physiological and usually self-resolve over 2-3 menstrual cycles. They include: –> Follicular cysts: These occur when the dominant follicle does not rupture releasing the egg cell   –> Corpus

Ovarian Conditions

Ovarian Torsion This is when the ovary twists on its supporting ligaments. It is a gynaecological emergency as it can cut of the blood supply to the ovary, resulting in ischaemia   Risk factors: – Ovarian cysts (especially dermoid cyst/PCOS) – Ovulation induction Symptoms: Sudden onset of sharp, colicky, unilateral lower quadrant abdominal pain – Nausea and Vomiting – May also be a low-grade pyrexia and sinus tachycardia   Tests: Pelvic ultrasound is used –> unilateral ovarian enlargement, oedema, ‘whirlpool’ sign – Laparoscopy is diagnostic   Treatment: Emergency laparoscopy to uncoil twisted ovary + fixation   Polycystic Ovary Syndrome (PCOS)

Breast Cancer

Many breast conditions can present with a lump, which can be malignant or benign. When this happens, the standard procedure is to conduct a triple assessment, which involves three types of tests: i) Clinical examination – should involve a chaperone (not a family member) ii) Radiology – Ultrasound for <35years; mammography and ultrasound for >35 years old iii) Histology – Fine needle aspiration (FNA) or core biopsy for new lumps NICE Referral Guidelines   Risk Factors The risk factors are related to oestrogen exposure as well as to specific genes: – Age (most breast cancers occur in women >50yrs) –

Benign Breast Conditions

Mastitis This is a condition that refers to inflammation of the breast – It is associated with breastfeeding: milk stasis can cause an inflammatory response -> may then get secondary infection, most commonly with staphylococcus aureus Symptoms: Erythematous, tender, swollen area of breast – Systemic upset with fevers, chills and fatigue   Management: – 1st line is to advise continue breastfeeding, ensuring the breast is fully emptied – If symptoms do not improve after 24 hours of milk removal –> Flucloxacillin 10-14 days   Breast Abscess This can occur if mastitis is left untreated Symptoms: Gives a tender, red fluctuant

The Menstrual Cycle

This describes the 28-day cycle which occurs in women around the ages of 14 to 51, which controls the synthesis and release of egg cells and the associated hormonal changes that go along with this. – The cycle starts on the first day of the period (menstruation) and ovulation usually occurs on day 14.   The changes that occur in the female reproductive system are coordinated by the hypothalamic-pituitary-ovarian axis: – The hypothalamus produces gonadotrophin releasing hormone (GnRH) – This stimulates the anterior pituitary to secrete follicular stimulating hormone (FSH) + luteinising hormone (LH) – These hormones act on follicles

Female Anatomy

The female reproductive system lies posterior to the bladder and anterior to the rectum. – It includes the uterus, ovaries, cervix, fallopian tubes and the vagina. Ovaries The ovaries are the main female reproductive organs, as they produce egg cells and sex hormones oestrogen and progesterone. – They lie lateral to the uterus close to the pelvic wall – The right lies close to caecum/appendix and left near sigmoid   Blood supply: – Ovarian artery (direct from abdominal aorta)   Venous drainage: – Ovarian vein –> IVC on right/renal vein on left   Nerve supply: – Sympathetics from T10 –>

Small Bowel Conditions

Coeliac disease This is a condition characterised by T cell-mediated damage of the small bowel villi due to gluten exposure, which leads to malabsorption. Gluten is found in wheat and grains and causes reduced mucosal absorption in the distal duodenum +/- proximal jejunum. It is associated with HLA-DQ2 and HLA-DQ8, and onset has a bimodal prevalence pattern, presenting in childhood and again between 50–60 years. If untreated, it can lead to T cell lymphoma of the small intestine.   Symptoms Diarrhoea, bloating, abdominal pain Steatorrhea, weight loss Fatigue and failure to thrive Hyposplenism Anaemia secondary to iron, folate and vitamin

Stomach Conditions

These conditions usually present with epigastric pain. When dealing with stomach conditions you should be aware of the 5 alarm symptoms or age>55years, which require urgent upper GI endoscopy: Anaemia Loss of weight Anorexia Recent onset symptoms Malaena/hematemesis   Acute gastritis This refers acute inflammation of the stomach mucosa, which occurs due to anvimbalance between mucus defence and acid. The stomach is usually lined by bicarbonate ions, prostaglandins and a mucus barrier,vwhich protects against stomach acid. The acid damage results in superficial inflammation and can cause erosions (loss ofvsuperficial layer), which may progress to ulcer development (loss of mucosal layer).

Pancreatic Conditions

Pancreatic cancer This refers to a metastatic proliferation of pancreatic cells. It is usually an adenocarcinoma which arises from the head of the pancreas. It is seen in older patients and usually presents late with established metastases.    Risk factors Smoking, Alcohol Diabetes Chronic pancreatitis Hereditary non-polyposis colorectal carcinoma Multiple endocrine neoplasia Symptoms Painless obstructive jaundice, as the tumour compresses the common bile duct Epigastric pain which may radiate to the back, weight loss, decreased appetite Palpable gallbladder on examination (Courvoisier’s law states that patients with painless jaundice and a palpable gallbladder often have a malignant CBD obstruction)   Complications

Pancreatic Conditions

Pancreatic cancer This refers to a metastatic proliferation of pancreatic cells. It is usually an adenocarcinoma which arises from the head of the pancreas. It is seen in older patients and usually presents late with established metastases.    Risk factors Smoking, Alcohol Diabetes Chronic pancreatitis Hereditary non-polyposis colorectal carcinoma Multiple endocrine neoplasia Symptoms Painless obstructive jaundice, as the tumour compresses the common bile duct Epigastric pain which may radiate to the back, weight loss, decreased appetite Palpable gallbladder on examination (Courvoisier’s law states that patients with painless jaundice and a palpable gallbladder often have a malignant CBD obstruction)   Complications

Oesophageal Conditions

Oesophageal web This is the protrusion of oesophageal mucosa, usually in the upper oesophagus. It is a risk factor for the development of oesophageal squamous cell carcinoma. It is associated with Plummer-Vinson syndrome, a triad of dysphagia, iron deficiency anaemia and oesophageal web.   Symptoms Dysphagia (to solids more than liquids) Can increase risk of aspiration and nasopharyngeal reflux   Management Endoscopic dilation of the oesophagus   Pharyngeal pouch (Zenker diverticulum) This is a pouch at the back of the throat, thought to be due to over-tightening of the cricopharyngeus muscle, causing the pharyngeal mucosa above it to pouch out.

Liver Failure

Acute Liver Failure This term is used to describe an acute decrease in hepatocyte dysfunction.   Causes Drugs, e.g., paracetamol overdose, excess alcohol consumption, medicine reaction Infections, e.g., hepatitis A/B Trauma Symptoms Jaundice due to hyperbilirubinaemia Coagulopathy due to decreased hepatocyte synthetic function Oedema Hepatic encephalopathy   Key tests Liver function tests are not as indicative of the level of hepatic impairment It is more useful to measure albumin levels and prothrombin time (this provides a better assessment of the synthetic function of the liver)   Management Correct underlying cause, e.g., if paracetamol, the antidote is N-acetylcysteine Medical management involves

Inflammatory Bowel Disease

This refers to chronic, relapsing inflammation of the bowel, which is thought to be associated with an abnormal immune response to gut flora. It classically presents in the younger population with two key symptoms: bloody diarrhoea and abdominal pain. It is subdivided into two disorders which share similar symptoms.   Ulcerative colitis (UC) This disease is associated with recurrent inflammation of the colon which involves part or all the colon and rectum. The involvement is continuous, rather than in patches and never proximal to the ileocecal valve. Inflammation leads to bleeding mucosa, pseudopolyp formation and ulcers which extend into the

Hernias

A hernia is the abnormal protrusion of tissue through an opening, which can occur in many different locations. They usually present as a visible lump, with an expansible cough impulse   Risk factors These increase intra-abdominal pressure or weaken the abdominal wall Heavy lifting                            Previous abdominal surgery Constipation                           Obesity   Symptoms Visible lump, with expansible cough impulse They are usually soft, painless, and reducible Complications  Irreducibility/incarceration – this means the contents cannot be pushed back into their original position Obstruction – this refers to hernia containing bowel;

Viral Hepatitis

This is a viral infection of the hepatocytes which leads to inflammation. It can cause acute and chronic symptoms   Acute This refers to inflammation of the liver which usually resolves within 6 months. It causes jaundice (mixed conjugated and unconjugated bilirubin) with dark urine. Also causes fever, tender hepatomegaly, nausea and weight loss. Blood tests show very elevated LFTs (ALT > AST). However, it can be asymptomatic with elevated LFTs.   Chronic This is characterised by elevated LFTs for > 6 months. It may be initially clinically silent, but usually progresses to liver cirrhosis.   Hepatitis A This is

Biliary Conditions

Biliary Colic This is writhing right upper quadrant pain which occurs due to the gallbladder contracting to clear a stone stuck in the cystic duct or gallbladder neck. Pain usually occurs after a fatty meal when the gallbladder contracts to release bile. If left untreated this can lead to inflammation causing acute cholecystitis.   Symptoms Right upper quadrant pain (can radiate to the right shoulder and scapula) Nausea and vomiting No fever or jaundice Key tests Ultrasound to detect stone LFTs are usually within normal limits   Management Small stones can pass spontaneously with resolution of the symptoms If persistent,

Small Bowel Conditions

Coeliac disease This is a condition characterised by T cell-mediated damage of the small bowel villi due to gluten exposure, which leads to malabsorption. Gluten is found in wheat and grains and causes reduced mucosal absorption in the distal duodenum +/- proximal jejunum. It is associated with HLA-DQ2 and HLA-DQ8, and onset has a bimodal prevalence pattern, presenting in childhood and again between 50–60 years. If untreated, it can lead to T cell lymphoma of the small intestine.   Symptoms Diarrhoea, bloating, abdominal pain Steatorrhea, weight loss Fatigue and failure to thrive Hyposplenism Anaemia secondary to iron, folate and vitamin

Biliary Conditions

Biliary Colic This is writhing right upper quadrant pain which occurs due to the gallbladder contracting to clear a stone stuck in the cystic duct or gallbladder neck. Pain usually occurs after a fatty meal when the gallbladder contracts to release bile. If left untreated this can lead to inflammation causing acute cholecystitis.   Symptoms Right upper quadrant pain (can radiate to the right shoulder and scapula) Nausea and vomiting No fever or jaundice Key tests Ultrasound to detect stone LFTs are usually within normal limits   Management Small stones can pass spontaneously with resolution of the symptoms If persistent,

Biliary Conditions

Biliary Colic This is writhing right upper quadrant pain which occurs due to the gallbladder contracting to clear a stone stuck in the cystic duct or gallbladder neck. Pain usually occurs after a fatty meal when the gallbladder contracts to release bile. If left untreated this can lead to inflammation causing acute cholecystitis.   Symptoms Right upper quadrant pain (can radiate to the right shoulder and scapula) Nausea and vomiting No fever or jaundice Key tests Ultrasound to detect stone LFTs are usually within normal limits   Management Small stones can pass spontaneously with resolution of the symptoms If persistent,

Colon Cancer

Colorectal Cancer This refers to a proliferation of cells arising from the colonic or rectal mucosa. An elderly adult with iron deficiency anaemia is at high risk for colorectal cancer and should be investigated further, if clinically appropriate. It can be sporadic, which is associated with random mutations in APC, but is also associated with a host of genetic syndromes.   Symptoms These can present very insidiously so it is very important to screen for red flag symptoms: Altered bowel habit Tenesmus (urge but inability to defecate) Vague abdominal pain – Red flags symptoms – rectal bleeding, weight loss, abdominal

Surgical Conditions

Acute Appendicitis This refers to inflammation of the appendix. It is the most common cause of abdominal surgery in patients, which can occur at any age. It occurs due to obstruction of the lumen commonly due to lymph hyperplasia (seen in children) or a feacolith (seen in adults). Gut organisms then invade the appendix wall leading to oedema, ischaemia, and necrosis. The inflammation irritates visceral fibres initially but then causes localised peritoneal inflammation in the right iliac fossa (RIF).  Symptoms Migrating Periumbilical pain – right iliac fossa Mild fever (37.5-38ºC) and anorexia Infrequent Vomiting Constipation (but diarrhoea can also occur)

Heart block

  Sinus blockade The normal heart beat starts in the sinus node that contains the fastest pacemaker cells. If no impulse should reach the atrium, and no atrial rescue impulse appears, there will be a pause without any P wave. The pause – sinus arrest – may be brief or long. When a pause exceeds 3-5 seconds, the patient may experience dizziness or a fainting spell. Usually, the normal rhythm soon recovers, and the patient immediately feels well. Important notes : » If the speed is 50 mm/sec;      1 mm = 0.02 sec» If the speed is 25

Extrasystole arrhythmias

  Supraventricular extrasystoles   Sinus extrasystoles » Sinus node reentry» Normal sinus form P, unchanged ventricular complex» The post-extrasystolic pause is equal to the length of the normal sinus cycle   Atrial extrasystoles » Extraordinary altered P wave, narrow QRS, supraventricular type, incomplete compensatory pause » With lower atrial extrasystole, the P wave can be negative in II, III, aVF   AV extrasystoles » The extrasystolic impulse arising in the AV node propagates in two directions: retrograde to the atria and the usual way to the ventricles. Therefore, the QRS complex has an unchanged appearance, and the excitation of the

Arrhythmia, Flutters & Fibrillations

  Sinus arrhythmia » If the difference between the maximum and minimum P-P (R-R) is more than 0.1 sec (or more than 10% compared to the mean), then this is sinus arrhythmia» Respiratory arrhythmia : sinus arrhythmia is associated with the phases of breathing » No difference in P-P values – rigid sinus node (damage to sinus node cells) Normal rhythm : » Must be sinus, that’s means each P wave is followed by QRS complex » Must be regular – the difference between the longest and the shortest R-R interval does not exceed 0.1 sec » Must be equality of

The Stomach and Vomiting

The stomach acts as a reservoir for food, aids in digestion and uses acid to kill pathogens that we eat. – Thousands of gastric glands drain into the stomach, giving daily secretions of 2 litres   These gastric glands are composed of two main subsets of glands which have different functions: – Oxyntic glands – contain parietal cells which produce acid-HCl and intrinsic factor (Binds Vit B12) – Chief cells – these secrete pepsinogens and enzymes needed for digestion.   One of the most important features of the stomach is acid production, which is under the control of several factors