title: Implantable cardioverter-defibrillators save lives. Why are only 15-20 percent of those who might benefit offered these souped-up pacemakers?
mesh_terms: D002303:Cardiac Output, Low / Q000628:therapy*; D003365:Costs and Cost Analysis; D016757:Death, Sudden, Cardiac / Q000517:prevention & control; D017147:Defibrillators, Implantable / Q000191:economics; D004867:Equipment Design; D006801:Humans; D018579:Patient Selection