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Question: 1 / 400

Anterior myocardial infarction is primarily caused by the occlusion of which coronary artery?

Right

Posterior descending

Circumflex

Left anterior descending

Anterior myocardial infarction is primarily caused by the occlusion of the left anterior descending coronary artery. This artery supplies blood to the anterior wall of the left ventricle and is crucial for heart function. When this artery is occluded, it leads to decreased blood flow to the front part of the heart, resulting in ischemia and subsequent myocardial infarction in that region.

The left anterior descending artery is often referred to as the "widowmaker," as blockages here can lead to serious heart issues. It is important to recognize the role this artery plays in cardiac health and the implications of its blockage, which is a common scenario in many patients with coronary artery disease. Understanding the specific coronary arteries and their territories is key for a cardiographic technician in interpreting EKG changes and relating them to specific myocardial infarctions.

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