title: Hidden hazards of cardiac pacemakers.
mesh_terms: D002309:Cardiology / Q000600:supply & distribution*; D004864:Equipment and Supplies; D006321:Heart; D006327:Heart Block / Q000628:therapy*; D010138:Pacemaker, Artificial; D014693:Ventricular Fibrillation / Q000331:legislation & jurisprudence*
keywords: CARDIOLOGY/equipment and supplies; HEART BLOCK/therapy; VENTRICULAR FIBRILLATION/jurisprudence