title: Permanent transvenous sequential atrioventricular pacing. Problems in its application.
mesh_terms: D000368:Aged; D001145:Arrhythmias, Cardiac / Q000209:etiology / Q000601:surgery; D004567:Electrodes, Implanted; D005260:Female; D006333:Heart Failure / Q000150:complications; D006801:Humans; D010138:Pacemaker, Artificial / Q000009:adverse effects / Q000295:instrumentation*