Stroke - Symptoms and causes - Mayo Clinic
网页2024年8月3日 · It occurs when a blood vessel in the brain leaks or bursts and causes bleeding in the brain. The blood increases pressure on brain cells and damages them. A stroke is a medical emergency. It's crucial to get medical treatment right away.
Infarction - Wikipedia
网页Infarction is tissue death (necrosis) due to inadequate blood supply to the affected area. It may be caused by artery blockages, rupture, mechanical compression, or vasoconstriction. [ 1 ] . The resulting lesion is referred to as an infarct [ 2 ][ 3 ] (from the Latin infarctus, "stuffed into"). [ 4 ] Causes. []
Types of Stroke - Johns Hopkins Medicine
网页Strokes can be classified into 2 main categories: Ischemic strokes. These are strokes caused by blockage of an artery (or, in rare instances, a vein). About 87% of all strokes are ischemic. Hemorrhagic stroke. These are strokes caused by bleeding. About 13% of all strokes are hemorrhagic.
Cerebral infarction - Wikipedia
网页Cerebral infarction, also known as an ischemic stroke, is the pathologic process that results in an area of necrotic tissue in the brain (cerebral infarct). [1] In mid to high income countries, a stroke is the main reason for disability among people and …
Ischemic Stroke: Symptoms, Treatment, and Recovery - Healthline
网页2024年4月11日 · An ischemic stroke is a medical emergency caused by a blockage in a blood vessel that supplies blood to a region of the brain. Symptoms may include facial drooping, limb weakness on one side,...
Myocardial Infarction (Heart Attack): Symptoms and More
网页2021年11月3日 · Acute myocardial infarction, also known as a heart attack, occurs when blood flow to the heart muscle is abruptly cut off, causing tissue damage. This is usually the result of a blockage in...
Myocardial ischemia - Symptoms & causes - Mayo Clinic
网页2021年5月5日 · Myocardial ischemia occurs when blood flow to the heart muscle (myocardium) is obstructed by a partial or complete blockage of a coronary artery by a buildup of plaques (atherosclerosis). If the plaques rupture, you can have a heart attack (myocardial infarction). Myocardial ischemia, also called cardiac ischemia, reduces the …