Implantable Devices

ICD Placement

An implantable cardioverter defibrillator (ICD) is an electronic device that monitors the heart rate and rhythm and delivers energy to the heart muscle when it detects an abnormal rhythm. Primary candidates for ICDs include patients with previous episodes of sudden cardiac death or ventricular fibrillation; previous heart attack victims at high risk for sudden cardiac death; patients with hypertrophy cardiomyopathy; or patients with at least one episode of ventricular tachycardia. The ICD is programmed to include one or all of the following functions:

  • Anti-tachycardia pacing
  • Cardioversion
  • Defibrillation
  • Bradycardia pacing

Pacemaker Placement

Using a small, battery-powered generator to deliver timed, electrical impulses to the heart muscle through tiny wire leads, a pacemaker helps the heart beat in a regular rhythm. Traditional pacemakers may have one lead pacing only the ventricles or the atria or two leads pacing both chambers. A more recent innovation in the treatment of arrhythmias, a biventricular pacemaker, uses three leads to treat the delay in heart ventricle contractions. This new therapy improves the symptoms of heart failure and increases the patients overall quality of life. Primary uses for pacemakers include the treatment of:

  • Bradycardia
  • Heart failure
  • Hypertrophic cardiomyopathy

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