title: Cardiac arrhythmias among school children and students.
mesh_terms: D000293:Adolescent; D001145:Arrhythmias, Cardiac / Q000175:diagnosis*; D004562:Electrocardiography; D005080:Exercise Test; D006327:Heart Block / Q000175:diagnosis; D006339:Heart Rate; D006801:Humans; D011379:Prognosis