Catheter ablation of a concealed accessory pathway.
D000328:Adult; D002404:Catheterization; D004562:Electrocardiography; D006329:Heart Conduction System / Q000601:surgery*; D006801:Humans; D008297:Male; D008722:Methods; D013610:Tachycardia / Q000209:etiology / Q000628:therapy*