Sick sinus syndrome in an adolescent and a young adult.
D000293:Adolescent; D000328:Adult; D004562:Electrocardiography; D006344:Heart Septal Defects, Atrial / Q000601:surgery; D006801:Humans; D008297:Male; D009205:Myocarditis / Q000150:complications; D011183:Postoperative Complications; D012804:Sick Sinus Syndrome / Q000209:etiology / Q000503:physiopathology*; D014777:Virus Diseases / Q000150:complications