Heart attack, or myocardial infarction (MI), is a condition where blood flow to part of the heart is hindered, leading to heart muscle damage. Symptoms include chest pain and pressure.
Myocardial infarction (MI), commonly known as a heart attack, occurs when blood flow stops to a part of the heart, resulting in damage to the heart muscle and death of myocardial cells. An MI is typically caused by the blockage of a coronary artery due to a blood clot or plaque rupture. Symptoms include chest pain, pressure, and other signs, although some MIs may be asymptomatic.
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Answer:
Option C, heart attack
Explanation:
A myocardial infarction is commonly referred to as a heart attack.
Typically with this condition, a blood clot or fatty plaque deposit occludes or blocks the blood vessels of the heart that supply the muscles within the heart wall (AKA the myocardium) of the oxygen and nutrients necessary, thus creating a deficiency. Without sufficient blood supply, the tissues of the heart wall begin to undergo necrosis -- meaning the tissues starts to die. This process is known as infarct.
As a result, the heart cannot function properly. This tissue damage can lead to angina, or severe chest pain. Thus, it feels like the person's heart is under attack. Option B reflects such sensation.
When a blood clot occludes the blood vessels of the brain supplying its tissues with oxygen and nutrients, the result is a cerebral infarction, which is also known as an ischemic stroke.
However, strokes are exclusive to the cerebrum, therefore the term does not apply when discussing myocardial infarction.