Heart rate

#ECG - stage 1

ECG of heart rate disorders

By Dr. Ahmed Hafez

https://youtu.be/6AJzzA_5NDk ECG in heart rate disorders ECG training course Date of show : 12 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 rate disorders

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#ECG materials

Heart rate disorders

By Dr. Ahmed Hafez

  Sinus rate disorders » Sinus rate means this impulses that are produced by sinoatrial node “SA-node”» Normal sinus rate : 60 : 100 beats per minute   Sinus bradycardia • Sinus rhythm with a frequency of less than 60 bpm• PQ can be extended up to 0.21 s, other intervals are normal• ST is sometimes raised above the isoline, concave, the T wave is widened at the base and increased in amplitude   Sinus tachycardia • Frequent sinus rhythm with more than 100 bpm• The maximum rate of the rhythm of the atria and ventricles is the same and

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#ECG materials

Normal ECG and Heart Rate calculation

By Dr. Ahmed Hafez

  ECG cycle components Atrial depolarization (P) axis : it is the general direction in which atrial depolarization conducts PR segments : From the end point of P wave to the start point QRS complex PR interval : Summation of P wave and PR segment , From the start point of P wave to the start point of QRS complex Ventricular depolarization (QRS) axis : it is the general direction in which depolarization conducts ST segment : from the end point of S wave to the start point of T wave Ventricular repolarization (T) axis : it is the general

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