A 59-year-old man presents with nausea, diaphoresis, and bradycardia. His blood pressure is 80/40 mmHg, HR 45 bpm. A transthoracic echocardiogram reveals global left ventricular hypokinesis with bulging of the interventricular septum into the left ventricle, mild mitral regurgitation, and moderate tricuspid regurgitation. Which coronary artery do you MOST expect to be occluded?
Select one of the following: