A 61-year-old man with progressive shortness of breath for 1 week and myocardial infarction 1 month earlier had progressive dyspnea at rest, tachycardia, and tachypnea. Transthoracic echocardiography showed a hypoechoic mass and CT showed a large crescentic hypodense lesion. What is your diagnosis?
A man in his 40s training for weight-lifting presented with new-onset progressive dizziness, lightheadedness, and shortness of breath. What is your diagnosis?
A man in his early 40s was referred for surgical evaluation following abnormal imaging obtained during workup of recent left-sided chest discomfort and longstanding dyspnea on exertion. What is your diagnosis?