title: Trigeminal quadrigeminy.
mesh_terms: D000368:Aged; D001021:Aortic Valve / Q000601:surgery; D001282:Atrial Flutter / Q000209:etiology / Q000503:physiopathology* / Q000628:therapy; D002037:Bundle-Branch Block / Q000150:complications / Q000503:physiopathology*; D004554:Electric Countershock; D004562:Electrocardiography; D006349:Heart Valve Diseases / Q000150:complications / Q000601:surgery; D006801:Humans; D008297:Male