Clinical Data:
Patient demographics, medical history, laboratory examinations, comorbidities, treatments and outcomes were retrieved from electronic medical records. Cardiac biomarkers measured on admission, closest to the time of echocardiography and peak values included troponin T, pro B-type natriuretic peptide (pro BNP), ferritin, D-dimer, C reactive protein (CRP) and triglyceride levels were recorded. The data was independently reviewed and entered into a database. The final follow-up date was May 17, 2020.