title: Transvenous insertion of double sets of permanent electrodes. Atraumatic technique for atrial synchronous and atrioventricular sequential pacemakers.
mesh_terms: D000368:Aged; D001145:Arrhythmias, Cardiac / Q000628:therapy; D002304:Cardiac Pacing, Artificial / Q000379:methods; D004567:Electrodes, Implanted; D005260:Female; D006325:Heart Atria / Q000503:physiopathology; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D010138:Pacemaker, Artificial; D014680:Veins / Q000601:surgery