Defibrillators, Implantable

**Definition:** Implantable devices which continuously monitor the electrical activity of the heart and automatically detect and terminate ventricular tachycardia (TACHYCARDIA, VENTRICULAR) and VENTRICULAR FIBRILLATION. They consist of an impulse generator, batteries, and electrodes.

**Tree numbers:** - E07.305.250.159.175 - E07.305.250.319.175 - E07.695.202.175

**Synonyms:** - Implantable Cardioverter Defibrillator - Cardioverter-Defibrillators, Implantable - Implantable Cardioverter-Defibrillators - Implantable Defibrillators