DOUBLE VENTRICULAR PARASYSTOLE.
D001145:Arrhythmias, Cardiac; D001281:Atrial Fibrillation; D044383:Black People; D004562:Electrocardiography; D006325:Heart Atria; D006343:Heart Septal Defects; D006344:Heart Septal Defects, Atrial; D006801:Humans; D017574:Parasystole; D012595:Scleroderma, Systemic
ARRHYTHMIA; AURICULAR FIBRILLATION; ELECTROCARDIOGRAPHY; HEART SEPTAL DEFECTS, ATRIAL; NEGROES; SCLERODERMA