ACE2 and COVID-19: Cardiovascular complications such as acute myocardial infarction, venous thromboembolic events, myocarditis, and heart failure may also occur in patients with COVID-19 due to direct virus invasion through ACE2, endothelial dysfunction, hypoxia, excessive inflammatory responses, oxidative stress, elevated level of angiotensin (Ag) II, and atherosclerotic plaque rupture [41,42].