简介:Earlydefibrillationiscriticaltosurvivalinanypatientwithacardiacarrest.ElectrophysiologistswhoimplantICDs(implantablecardioverterdefi-brillators)testthembyfibrillatingthepatientfollowedbyimmediatedefibrillation.Thisemphasizesthepointthatearlydefibrillationresultsinsurvivalofthesepatients;CPRisdoneonlyifthereisadelayinobtainingthedefibrillatororiftheICDisnotworking.