Myocardial injury and cardiovascular complications in COVID-19: a cohort study in severe and critical patients.

Objective: To characterize myocardial injury and cardiovascular complications and their predictors in severe and critical COVID-19 patients admitted to the intensive care unit.

Methods: This was an observational cohort study of severe and critical COVID-19 patients admitted to the intensive care unit. Myocardial injury was defined as blood levels of cardiac troponin above the 99th percentile upper reference limit.