Final answer:
Myocardial infarction (MI) is the death of myocardial tissue caused by ischemia, which is a lack of blood flow and oxygen to a region of the heart. It is commonly referred to as a heart attack.
Step-by-step explanation:
True
Myocardial infarction (MI) is indeed the death of myocardial tissue caused by ischemia, which is a lack of blood flow and oxygen to a region of the heart. It is commonly referred to as a heart attack. The death of cardiac muscle cells occurs when a coronary artery is blocked, restricting the flow of blood and oxygen to the myocardium.