Is heart attack and coronary heart disease the same disease?

Acute myocardial infarction (AMI

) is an acute disease caused by coronary artery stenosis or occlusion, resulting in myocardial ischemia and hypoxia. Usually, the severity of the above two diseases is different, acute myocardial infarction is usually more serious than coronary heart disease, acute myocardial infarction is not completely equivalent to coronary heart disease. However, for patients with more severe coronary heart disease, it may develop into acute myocardial infarction.