title: Implantable cardiac pacemakers: review of current status.
mesh_terms: D002304:Cardiac Pacing, Artificial; D006327:Heart Block / Q000209:etiology / Q000503:physiopathology / Q000628:therapy*; D006439:Hemodynamics; D006801:Humans; D008297:Male; D008875:Middle Aged; D010138:Pacemaker, Artificial / Q000009:adverse effects