PMC7543120_01
Electrocardiogram on admission demonstrating sinus rhythm with borderline first-degree heart block.
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T-wave abnormalities (Figures 1 and 2). Troponin T was 0.39 ng/mL, and N-terminal pro-B-type natriuretic peptide (NT-proBNP) was 798 pg/mL, which were elevated compared with the values at admission.
Electrocardiogram on day 4 demonstrating low voltage QRS, poor precordial lead R-wave progression, and nonspecific T-wave abnormality in anterolateral leads.
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T-wave abnormalities (Figures 1 and 2). Troponin T was 0.39 ng/mL, and N-terminal pro-B-type natriuretic peptide (NT-proBNP) was 798 pg/mL, which were elevated compared with the values at admission.
Initial echocardiogram showing estimated left ventricular ejection fraction of 32% by modified Simpson's method.
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A formal transthoracic echocardiography performed on day 5 showed normal LV size, severe LV dysfunction, and an estimated LVEF of 32% with global LV hypokinesia (Figure 3; Supplemental Video 1, available online).
Follow-up echocardiogram showing estimated left ventricular ejection fraction of 62% by modified Simpson's method
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A repeat transthoracic echocardiography performed on day 10 showed improvement in LVEF (60% to 65%) and normal LV systolic function with no wall motion abnormalities (Figure 4; Supplemental Video 2, available online).
Timeline of patient's course in the hospital.. Abbreviations: COVID-19, coronavirus disease-2019; ICU, intensive care unit; ABG, arterial blood gas; ARDS, acute respiratory distress syndrome; TTE, transthoracic echocardiography; LVEF, left ventricular ejection fraction; RT-PCR, reverse transcriptase-polymerase chain reaction.
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A repeat COVID-19 RT-PCR test on day 19 was negative, and the patient was subsequently discharged home after a week of inpatient rehabilitation (Figure 5).