What are the indications for an implantable cardiac defibrillator?


  • Survivors of cardiac arrest due to hemodynamically unstable sustained ventricular tachycardia (VT) or FF after evaluation and exclusion of any reversible cause.
  • Structural heart disease, with spontaneous sustained VT whether hemodynamically stable or not.

What are the indications of defibrillator?

Indications for defibrillation include the following:

  • Pulseless ventricular tachycardia (VT)
  • Ventricular fibrillation (VF)
  • Cardiac arrest due to or resulting in VF.

What are the contraindications for defibrillation?


  • Acute myocardial infarction.
  • Drug intoxication.
  • Drowning.
  • Electric shock.
  • Electrolyte imbalance.
  • Hypoxia, or sepsis.
  • Patients who have a unipolar pacemaker implanted.
  • Patients with incessant ventricular tachycardia (VT) or ventricular fibrillation (VF)

What conditions are indications for placement of an ICD?

You may need an ICD if you have survived sudden cardiac arrest due to ventricular fibrillation, or have fainted due to ventricular arrhythmia, or if you have certain inherited heart conditions. An ICD is generally needed for those at high risk of cardiac arrest due to a ventricular arrhythmia.

What heart conditions require a defibrillator?

You might need an ICD if you have a dangerously fast heartbeat that keeps your heart from supplying enough blood to the rest of your body (such as ventricular tachycardia or ventricular fibrillation) or if you are at high risk of such a heart rhythm problem (arrhythmia), usually because of a weak heart muscle.

What is the difference between monophasic and biphasic defibrillator?

Biphasic waveform defibrillators are devices that utilize bidirectional current flow as opposed to monophasic AED, where the current flows are in one direction. In biphasic AEDs, the pulse is composed of a positive and negative peak.

What are the side effects of a defibrillator?

What are the side effects of a defibrillator?

  • Arteriovenous fistula (an abnormal connection between the artery and the vein)
  • Blood clots in the arteries or veins.
  • Injury to the lung, a collapsed lung, or bleeding in the lung cavities.
  • Developing a hole in the blood vessels.
  • Infection of the system.
  • Bleeding from the pocket.

When do you place ICD in heart failure?

An ICD is used for heart-failure treatment when the person is considered to be a high risk of dying from an abnormal heart rhythm — called sudden cardiac death. It is a small device that is implanted in the chest and continually monitors the heart’s rhythm.

Does having a defibrillator qualify for disability?

Having a pacemaker or implanted cardiac defibrillator (ICD) doesn’t automatically qualify you for Social Security disability, especially if the device is controlling your symptoms well.

What are the indications for implantable cardioverter defibrillators?

Indications. Implantable cardioverter defibrillators (ICDs) are indicated to provide ventricular antitachycardia pacing and ventricular defibrillation for automated treatment of life-threatening ventricular arrhythmias. Some ICDs are also indicated for use in patients with atrial tachyarrhythmias, or those patients who are at significant risk…

Are there any contraindications to using a defibrillator?

Always bear in mind that the main purpose of the device is to correct or improve an abnormal heart rhythm that becomes life-threatening by delivering a series of electrical shocks. Nevertheless, there are cases in which a defibrillator is contraindicated or using one is not advisable.

What does defibrillation therapy do to Your Heart?

Defibrillation therapy is a form of defibrillation used to treat severe heart rhythm issues with a powerful shock. You can experience extreme pain if your ICD starts defibrillation therapy. With only a single shock, the ICD restores a natural heartbeat.

When was the first defibrillator implanted in a human?

Success with external defibrillation led to the development of an implantable defibrillator, followed in 1980 by the first automatic internal defibrillator implantation in humans [ 1,2 ]. FDA approval followed in 1985, initially only for secondary prevention in survivors of cardiac arrest.