Atrial pacing following valvular replacement.
D001021:Aortic Valve / Q000601:surgery; D001281:Atrial Fibrillation / Q000628:therapy; D001919:Bradycardia / Q000628:therapy; D006325:Heart Atria; D006349:Heart Valve Diseases / Q000601:surgery*; D006350:Heart Valve Prosthesis; D006801:Humans; D008943:Mitral Valve / Q000601:surgery; D010138:Pacemaker, Artificial; D013997:Time Factors