Bradycardia, ventricular pauses, syncope, and sports.
D000328:Adult; D001145:Arrhythmias, Cardiac / Q000209:etiology / Q000503:physiopathology*; D006327:Heart Block / Q000503:physiopathology*; D006801:Humans; D008297:Male; D005082:Physical Exertion; D013575:Syncope / Q000209:etiology*