title: Cardiology mediquiz. Case 7.
mesh_terms: D002037:Bundle-Branch Block / Q000175:diagnosis; D002648:Child; D003937:Diagnosis, Differential; D004562:Electrocardiography; D006327:Heart Block / Q000151:congenital / Q000175:diagnosis*; D006801:Humans; D013610:Tachycardia / Q000175:diagnosis