How long does myocardial infarction usually hurt?

Myocardial infarction generally refers to acute myocardial infarction. Acute myocardial infarction pain generally lasts for more than 30 minutes.

Acute myocardial infarction is considered to be caused by insufficient myocardial oxygen supply, increased oxygen consumption in the heart, decreased blood perfusion in the heart, etc. Myocardial ischemia necrosis in patients can cause precordial crushing pain, sudden onset of general pain, lasting for a long time, can exceed 30 minutes, no obvious pain peak, quiet rest, drug treatment can not quickly alleviate symptoms.

Patients need to relax mood, bed rest, can be guided by a doctor to use nitroglycerin, metoprolol, aspirin and other drugs to dilate coronary arteries, reduce oxygen consumption in the heart, prevent thrombosis.