A 58-year-old man presents with chest pain, severe nausea, elevated JVP, pulsatile liver, severe bradycardia degenerating into third-degree heart block, with ST elevation in the inferior leads (II,...

A 58-year-old man presents with chest pain, severe nausea, elevated JVP, pulsatile liver, severe bradycardia degenerating into third-degree heart block, with ST elevation in the inferior leads (II, III, aVF). Despite his severe hypotension with a blood pressure of 70/30 mm Hg, his lungs are clear and there is no evidence of heart failure. On angiography, which vessel is the most likely culprit vessel?

A. LAD artery

B. Circumflex artery

C. Diagonal artery

D. Right coronary artery

E. Obtuse marginal artery