Background
Recent epidemiologic data has indicated coronavirus to be highly contagious with high risk of person-to-person transmission. On March 11, 2020, the World Health Organization (WHO) declared COVID-19 a pandemic. With the increasing number of confirmed cases and the accumulating clinical data, the cardiac manifestations induced by COVID-19 have generated great concern. COVID-19 was also associated with cardiac arrest, acute-onset heart failure, and myocarditis. COVID-19 has not been reported as the cause of abnormalities of cardiac conduction system.