COVID-19(52) Patient(16) coronavirus(11) reported(10) COVID-19 infection(9) myocarditis(9) ACE2(9) coronavirus disease(9) disease(9) SARS-CoV-2(8) COVID-19 pandemic(8) heart failure(8) pandemic(7) Atrial fibrillation(7) cardiovascular(7) Inflammation(7) clinician(7) myocardial injury(7) SARS-CoV-2.(7) examined(6) Factor(6) patients(6) clinical(6) proportion(6) ventricular(6) Mortality(6) Control(6) change(6) Biomarkers(5) age(5)