damage to an area of heart muscle that is deprived of oxygen, usually due to blockage of a diseased coronary artery, typically accompanied by chest pain radiating down one or both arms, the severity of the attack varying with the extent and location of the damage; myocardial infarction.
any sudden severe instance of abnormal heart functioning, esp coronary thrombosis
heart attack n.
Acute myocardial infarction typically resulting from an occlusion or obstruction of a coronary artery and characterized by sudden, severe pain in the chest that often radiates to the shoulder, arm, or jaw.
Necrosis of a region of the heart muscle caused by an interruption in the supply of blood to the heart, usually as a result of occlusion of a coronary artery resulting from coronary artery disease. Symptoms typically include sudden, crushing chest pain, nausea, and sweating. Characteristic changes in the electrocardiogram are used to diagnose heart attacks. Also called myocardial infarction.
An episode of heart failure or the stopping of normal heart function; a coronary thrombosis. Symptoms of a heart attack include pain and pressure in the chest, which often spread to the shoulder, arm, and neck. Today, physicians tend to define heart attack in terms of muscle damage to the heart caused by oxygen deprivation.
/ˈhiːθˌfaʊl/ noun 1. (in British game laws) an archaic name for the black grouse Compare moorfowl
noun 1. a European grass, Sieglingia decumbens, growing in spongy, wet, cold soils. noun 1. a perennial European grass, Danthonia decumbens, with flat hairless leaves
[hee-thee] /ˈhi θi/ adjective, heathier, heathiest. 1. .
- Heath robinson
/ˈrɒbɪnsən/ adjective 1. (of a mechanical device) absurdly complicated in design and having a simple function
- Heath wren
noun 1. either of two ground-nesting warblers of southern Australia, Hylacola pyrrhopygia or H. cauta, noted for their song and their powers of mimicry