Myocardial injury in hospitalized COVID-19 patients: a retrospective study, systematic review, and meta-analysis.

Introduction: The majority of studies evaluating the effect of myocardial injury on the survival of COVID-19 patients have been performed outside of the United States (U.S.).

In-hospital outcomes of COVID-19 infection in patients with underlying cardiovascular disease.

Background: The effects of cardiovascular comorbidities on outcomes in COVID-19 hospitalized patients has not been well studied.

Methods: This is a hospital-based study evaluating the effects of CVD on the outcomes in patients admitted with COVID-19. Clinical outcomes were studied in patients with and without CVD.

Coronavirus disease 2019 (COVID-19) and QTc prolongation.

Introduction: The cause-and-effect relationship of QTc prolongation in Coronavirus disease 2019 (COVID-19) patients has not been studied well.

Objective: We attempt to better understand the relationship of QTc prolongation in COVID-19 patients in this study.

Methods: This is a retrospective, hospital-based, observational study.