PAROXYSMAL HEART BLOCK ON EXERTION.
D003937:Diagnosis, Differential; D004562:Electrocardiography; D006327:Heart Block; D006330:Heart Defects, Congenital; D006801:Humans; D009203:Myocardial Infarction; D005082:Physical Exertion
DIAGNOSIS, DIFFERENTIAL; ELECTROCARDIOGRAPHY; EXERTION; HEART BLOCK; HEART DEFECTS, CONGENITAL; MYOCARDIAL INFARCT