The most common cause of a myocardial infarction is:
A) an imbalance in calcium ions.
B) an infection of the heart muscle.
C) atherosclerosis involving an attached thrombus.
D) a disruption of the heart conduction system.

Question

Quizplus · Accepted Answer

A myocardial infarction, commonly known as a heart attack, is most often caused by atherosclerosis, which is the buildup of plaque in the coronary arteries. This can lead to the formation of a thrombus (blood clot) that obstructs blood flow to the heart muscle.

The Most Common Cause of a Myocardial Infarction Is