Anatomy

What is a Cerebrovascular Accident A stroke A medical emergency and can cause permanent damage to the nervous system or death A rapidly developing loss of brain function /s caused by a disturbance in the blood supply to the brain Causes of Stroke Formation of a thrombus or blood clot around arteries supplying blood to the brain As a person ages , arteries harden and makes it easier for cholesterol to build up around their interior which make thrombi form faster People with high-cholesterol diets , are obese , or have diabetes likewise develop a higher

rate of thrombi formation Causes of Stroke The artery suddenly gets blocked by an embolus , a traveling particle or debris in the arterial bloodstream which came from elsewhere in the body Could happen to anyone under specific circumstances The embolus usually comes from the heart , or from a forming thrombus that breaks off Causes of Stroke Reduction of blood flow to all parts of the body such as what could occur during a heart attack Intracerebral hemorrhage or the bursting of small arteries or arterioles in the brain Can be caused by hypertension , head trauma , bleeding diss , use of illegal drugs such as amphetamines or cocaine , and vascular malformations Parts of the Brain Lobes of the brain The brain is divided into four lobes Each lobe controls specific functions of the body A stroke that incapacitates a lobe takes away the functions of that lobe from the person Default Design What is a Cerebrovascular Accident A stroke...