title: 2:1 atrioventricular block associated with mitral leaflet prolapse.
abstract: A case of mitral leaflet prolapse associated with 2:1 atrioventricular block is described. A His-bundle electrogram demonstrated an infra-Hisian level of block. Bradyarrhythmias and sudden death in this syndrome are briefly reviewed.
mesh_terms: D004562:Electrocardiography; D005260:Female; D006327:Heart Block / Q000150:complications* / Q000175:diagnosis; D006801:Humans; D008875:Middle Aged; D008945:Mitral Valve Prolapse / Q000150:complications* / Q000175:diagnosis; D010701:Phonocardiography