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Understanding Myocardial Ischemia: Causes, Symptoms, and Management
Myocardial ischemia, commonly known as heart ischemia, is a condition that occurs when the blood flow to the heart muscle (myocardium) is reduced, preventing it from receiving enough oxygen to function properly. This imbalance between oxygen supply and demand can lead to chest pain, heart rhythm abnormalities, or even a heart attack if left untreated. While often associated with coronary artery disease, myocardial ischemia can arise from several underlying conditions that compromise blood flow.
The primary cause of myocardial ischemia is atherosclerosis, a process in which plaque builds up in the coronary arteries. Plaque consists of fat, cholesterol, and other cellular debris that gradually narrows the arteries, restricting blood flow to the heart. In some cases, a sudden rupture of plaque can trigger a blood clot, leading to acute ischemia and potentially life-threatening events like myocardial infarction. Other contributing factors include coronary artery…
