circulation

#Body systems and cancer

Cancer, the blood and circulation

By Dr. Ahmed Hafez

What the blood does The blood flows throughout the body. It: carries food (nutrients) and oxygen to all the cells of the body carries away waste products that the body needs to get rid of Without a blood supply, cells and body tissues die. How blood circulates The blood flows around the body in blood vessels (tubes) called arteries, veins and capillaries. This is the circulatory system. The heart pumps the blood through the circulatory system. Arteries Arteries carry blood that is full of oxygen from the heart to all parts of the body. As the arteries get further and further away from the

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#Gastroenterology

Acute mesenteric circulation disorders

By Dr. Ahmed Hafez

Acute disorders of mesenteric circulation. The pathogenesis, clinical manifestations, diagnosis, principles of conservative and surgical treatment.■It is a very serious surgical emengency , usually affecting the superior mesenteric artery or vein . ■Sudden loss of blood flow to the small intestine is called acute mesenteric ischemia. The acute type is often caused by a blood clot and requires an immediate treatment, such as surgery. Aetiology Both acute and chronic mesenteric ischemia are caused by a decrease in blood flow to the small intestine. Acute mesenteric ischemia is most commonly causedby a blood clot in the main mesenteric artery. The blood clot

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