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Abstract  The impact of severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2) on diastolic function is less known. We describe a 46‐year‐old man with a history of mild hypertension who presented to the emergency department with fever, cough, and myalgia for 2 days. The patient was tested positive for SARS‐CoV‐2. He was admitted and started on a combination of antiviral and antimicrobial therapy. He developed respiratory distress 2 days later, and O 2  saturation declined. Blood tests showed an increased N‐terminal pro‐B type natriuretic peptide (NT‐proBNP) level, and echocardiography showed normal left ventricular ejection fraction and E/e′ ratio of 16. Computed tomography scan showed interstitial pulmonary oedema and prominent peripheral pulmonary vascular markings. Given these findings, heart failure with preserved ejection fraction (HFpEF) was considered. Low‐dose diuretic was started, and fluid administration was restricted, resulting in a decrease in NT‐proBNP level, clinical and haemodynamic stabilization, and improved oxygenation. This case highlights the occurrence of HFpEF in coronavirus disease 2019.

Heart failure with preserved ejection fraction in coronavirus disease 2019 patients: the promising role of diuretic therapy in critically ill patients