PSYCH 2NF3 Lecture Notes - Lecture 4: Lacunar Stroke, Heart Failure, Basilar Artery
12 Apr 2018
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Document Summary
A stroke is an interruption of vascular system functioning, as age starts to increase, the number of people of people that experience a stroke increases. 50s, 60s, 70s - risk higher in men than women. 80s, 85+ - risk higher in women: due to the fact that more women than men in this category; women live longer. Anatomy of the blood supply to the brain: at base of brain, all arteries join --> basilar artery, all of them join to form the circle of willis, protective mechanism of the brain. If there is damage to one artery, the other arteries can pick up the slack: another protection: csf -- provides cushioning. The brain"s blood supply: a stroke happens when blood stops flowing to any part of the brain, damaging brain cells. The effects of a stroke depends on the part of the brain that was damaged and the amount of damage done.
