An ICD is generally needed for those at high risk of cardiac arrest due to a ventricular arrhythmia. This includes people with heart failure who have problems with the contraction of the heart, such as abnormal left ventricular ejection fraction. There may be other reasons for your doctor to recommend an ICD.

Why would you need a defibrillator?

An ICD may lower the risk of sudden death in some people who have heart failure. An ICD can fix a heart rate that is too fast or too slow without using a shock. You may have peace of mind that a dangerous heart rhythm could be fixed right away.

How long can you live with an implanted defibrillator?

Living with a Pacemaker or Implantable Cardioverter Defibrillator ICD. Pacemakers and ICDs generally last 5 to 7 years or longer, depending on usage and the type of device. In most cases, you can lead a normal life with an ICD.