1. A 61-year-old man with A 61-year-old man with history of heart block, paroxysmal atrial fibrillation, and bilateral hand tingling complained of shortness of breath. The patient had an unremarkable echocardiogram reported 5 years prior when he was being evaluated for a possible pace-maker. The patient has no other known cardiovascular history. Based on the echocardiogram (Fig. 13), the most likely diagnosis is which of the following? Question 26 options: Cor pulmonale Hypertensive heart disease Hypertrophic cardiomyopathy Amyloidosisa history of heaand blateral hand tingling complained>shortness of breath. The patient had an unremarkable echocardiogram report