A 36 year old patient presents to emergency with shock .His ECG shows ST elevation in lead 2 and lead 3 and avF. What is the most likely cause of shock: (A) Papillary muscle rupture, (B) Cardiac rupture, (C) Right ventricular infarction, (D) Septal perforation
Answer is C. ECG features  are suggestive of inferior wall MI . Right ventricular  infarction  presents as hypotension and shock.