His pulse rate is 95 bpm and his respiratory rate is 24/min. What is the SINGLE most likely cause of his symptoms?

A 60-year-old man had a myocardial infarction 2 weeks ago. He now presents with dyspnoea and chest pain. A pericardial friction rub was noticed on examination. ECG shows widespread ST elevation. A Chest X-ray shows an enlarged, globular heart. His pulse rate is 95 bpm and his respiratory rate is 24/min. What is the SINGLE most likely cause of his symptoms?

A.Cardiac tamponade
B.Mitral regurgitation
C.Dressler’s syndrome
D.Atrial fibrillation
E.Pulmonary Embolism

Ans; C.Dressler’s syndrome