A 72-year-old English-speaking male with a history of congestive heart failure (CHF) withreduced ejection fraction (EF) presented to the emergency department (ED) with acutedecompensated CHF. He had a two-year history of progressive dyspnea and exercise intolerance.Other comorbidities included coronary artery disease, hypertension, dyslipidemia, cardioembolicstroke, and gastroesophageal reflux disease. His medications included furosemide, apixaban,atorvastatin, carvedilol, and fosinopril. His furosemide was reduced from 40 mg to 20 mg daily by hisfamily physician five months prior …