Rate-dependent bifascicular block in acute myocarditis.
D000208:Acute Disease; D002037:Bundle-Branch Block / Q000209:etiology; D004562:Electrocardiography; D005500:Follow-Up Studies; D006327:Heart Block / Q000209:etiology*; D006801:Humans; D008297:Male; D009205:Myocarditis / Q000150:complications*; D014636:Valsalva Maneuver