Coronary circulation · Physiology

Which artery is most commonly involved in myocardial infarction?

  1. Right coronary artery
  2. Left circumflex artery
  3. Left anterior descending
  4. Posterior descending artery
Show answer and explanation

Correct answer: Left anterior descending

The left anterior descending artery supplies a large portion of the left ventricle. Its occlusion commonly causes myocardial infarction.

Difficulty: Medium Question 8 of 20

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