Occlusion of which of the following would primarily damage the posterior wall of the heart?

A) Circumflex artery
B) Pulmonary artery
C) Right marginal artery
D) Coronary sinus artery
E) Right coronary artery

Circumflex Artery

An artery that supplies blood to the lateral and posterior parts of the heart.

Posterior Wall

The back part of a structure or organ, for example, the back side of the heart or abdomen, providing structural support and protection.

Coronary Sinus

A large vein on the heart's posterior that collects deoxygenated blood from the myocardium of the heart and directs it into the right atrium.