Implantation of the Automatic Implantable Cardioverter Defibrillator (AICD): Practical Aspects

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Abstract
Most patients who are resuscitated from an episode of sudden cardiac death or one of sustained ventricular tachycardia (VT) can now be treated using serial electrophysiologic testing as a guide to drug therapy. Recurrence rates are low if an antiarrhythmic regimen can be found which prevents induction of VT. Patients failing serial drug testing have a high recurrence rate (approximately 50%/year). Most clinicians now refer such patients for either experimental antiarrhythmic therapy or electrical intervention. The most promising of the electrical interventions (including tachycardia converting pacemakers and intraoperative mapping) has been the automatic implantable cardioverter defibrillator (AICD). Only recently has the AICD been released from investigative status by the Food and Drug Administration. It can be implanted safely and with favorable clinical outcome if the techniques of implantation are well understood and used often. The text incorporates the authors' experience in implanting nearly 200 devices and is intended as a practical guide to the use of the AICD.