Case Presentation: A 73 year-old man with type 2 diabetes mellitus (hemoglobin A1c 7.5), hypertension, hyperlipidemia, chronic renal failure stage 3a, and a distant 10 pack year smoking history presented with 2 weeks of substernal chest tightness and dyspnea on exertion. He was hemodynamically stable without tachypnea at rest. Examination revealed a grade 2/6 holosystolic […]