What condition is characterized by the death of cardiac muscle due to ischemia?

Myocardial infarction is a critical condition where there is an obstruction of blood flow to the heart muscle, leading to tissue death due to a lack of oxygen, a process referred to as ischemia. This often occurs because of a blockage in one or more of the coronary arteries, typically due to a buildup of plaque (atherosclerosis) or a blood clot.

In the case of myocardial infarction, the specific area of heart muscle affected becomes necrotic due to the prolonged ischemic state. The damage can be substantial, depending on the duration of the blood flow obstruction and the extent of the area supplied by the compromised artery. Immediate medical intervention is necessary to restore blood flow to minimize heart damage and preserve cardiac function.

Other terms listed, such as myalgia, refer to muscle pain and do not involve ischemia or cardiac muscle. Infarct refers generally to a localized area of tissue death resulting from lack of blood supply but does not specify that it's cardiac muscle. Ischemia describes the reduced blood flow that can lead to conditions like myocardial infarction, but it does not denote the tissue death itself. Thus, myocardial infarction is the most precise and appropriate term for the condition caused by the death of cardiac muscle from ischemia