Based on recent reports, the main cardiac abnormalities found in patients who manifest MIS-C are left ventricular dysfunction, coronary artery dilatation or aneurysms, myocarditis, elevated cardiac enzymes (troponin or NT-pro-BNP), and/or pericarditis [21, 22, 24, 25]. The gene discussed is NPPB; the disease is COVID-19–associated multisystem inflammatory syndrome in children.