COVID‐19(19) Patient(15) marker(10) death(10) sudden cardiac death(10) increased risk(10) response(9) electrocardiographic(9) Mortality(9) ECG(7) Admission(7) COVID‐19(7) sudden death(7) Result(7) severity(7) groups(6) evaluate(6) parameter(6) feature(6) significantly(5) torsades de pointes(4) objective(4) pandemic(4) collected(4) transmural(4) Control(4) balance(4) Respiratory care(4) categorization(4) selected(4)