“…Myocardial injury with COVID-19 has been extensively reported, with rates widely varying depending upon the population studied. 4 The underlying causes are numerous and include but are not limited to myocarditis, 22 acute coronary syndrome (myocardial infarction type 1), 17 demand ischemia (myocardial infarction type 2), 25 , 32 , 33 , 34 , 35 multisystem inflammatory syndrome in children (MIS-C) and multisystem inflammatory syndrome in adults (MIS-A), 20 , 21 , 24 takotsubo/stress cardiomyopathy, 36 , 37 cytokine storm, 34 acute cor pulmonale resulting from macropulmonary or micropulmonary emboli, 23 , 25 myocardial injury from chronic conditions like pre-existing heart failure, 38 , 39 , 40 , 41 and acute viral infection unmasking subclinical heart disease. 38 Because 1 or more of these etiologies may coexist, it can sometimes be challenging to identify a specific underlying cause.…”