While fever, cough, and loss of taste or smell were dominant in COVID-19 patients, some of them also suffered from palpitations (1, 3%), chest pain (8, 25%), arrhythmia (9, 28%), or had elevated troponin (9, 28%) or NT-proBNP (6, 24%). The gene discussed is NPPB; the disease is Arrhythmia.