KROK 1 2021 – Question 55 · KROK (Medicine) · Human Anatomy

A man complains of a burning pain in the area of his heart. Based on the analysis of his ECG, he has been diagnosed with infarction of the posterior wall of the left ventricle. What artery has damaged branches in this case?

  1. A. Left coronary artery
  2. B. Pericardial branches of the thoracic aorta
  3. C. Circumflex branch of left coronary artery
  4. D. Anterior interventricular branch of the left coronary artery
  5. E. Right coronary artery
Hint

Consider which coronary artery, in most people, gives off the posterior interventricular branch that runs along the back of the heart.

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