73-Year-Old Man With Dyspnea on Exertion

A 73-year-old man presented to the cardiology clinic in early fall for evaluation of shortness of breath that had worsened over the previous year. He had numerous comorbidities, including hypertension, hyperlipidemia, type 2 diabetes mellitus, medically complicated obesity, stage 3 chronic kidney disease, obstructive sleep apnea, and a 10-year history of nonischemic cardiomyopathy after biventricular pacemaker placement for cardiac resynchronization therapy (CRT). He was receiving maximal medical therapy for his heart failure.
Source: Mayo Clinic Proceedings - Category: Internal Medicine Authors: Tags: Residents’ clinic Source Type: research