title: Ventricular demand pacemaker inhibition by an atrial fixed rate pacemaker.
mesh_terms: D004562:Electrocardiography; D004582:Electronics, Medical; D005260:Female; D006325:Heart Atria; D006331:Heart Diseases / Q000628:therapy; D006352:Heart Ventricles; D006801:Humans; D008875:Middle Aged; D010138:Pacemaker, Artificial / Q000009:adverse effects