Case presentation A 60-year-old woman with worsening dyspnea when resting presented to the emergency department. She had no fever, chest pain, expectoration, syncope, or constitutional symptoms.

Medical history ·       Nonsmoker ·       Morbid obesity ·       Poorly managed asthma ·       Hypertension ·       Type 1 diabetes ·       Diabetic nephropathy ·       Dyslipidemia ·       Chronic anemia Physical examination ·       Body mass index – 46 kg/m2 ·       Jugular vein distention ·       Imperceptible heart sounds ·       Vesicular breath sounds – Reduced on the left side of the chest