ICD

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Een ICD met een draad in de rechter boezem en een draad in het de rechter ventrikel

An ICD (Internal Cardioversion Device)

An ICD is usually implanted subcutaneously

The information stored in the ICD's memory can be read out using a coil that is put on the patients clothing near the ICD. Stored information includes battery life remaining and ICD shocks

ICD (Implantable Cardioverter Defibrillator ): this device can detect and treat VT and VF. Usually the first treatment is anti-tachy pacing (pacing at a rate +- 10% above the ventricular rate in ventricular tachycardia, which can convert the rhythm to sinus rhythm). If this is not effective an defibrillator shock is delivered, usually with 16-36 Joules of energy. ICDs can save lives in patients who have a high risk of ventricular arrhythmias. All ICDs have optional pacemaker activity to treat bradycardias. New biventricular ICDs have 3 leads: an atrial lead, a left ventricular lead and a right ventricular lead.[1][2]

A short history of ICD therapy

• 1849 First graphical registration of VF[3]
• 1899 First documented defibrillation of a dog with ventricular fibrillation (VF) in dogs.[4]
• 1947 The thoracic surgeon Claude Beck saved the first human life by the successful use of cardiac defibrillation in a 14-year-old boy who developed VF during a thoracic surgical procedure and went on to achieve a full recovery.[5]
• 1973 Concept of implantable ICD[6]
• 1980 First human implantation of an ICD[7]

References

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1. Passman, Kadish. Circulation. 2007;116:561-571.

3. Hoffa M,Ludwig C., Ztschrft Rat Med 1850; 9:107

4. Prevost J, Batelli F. La mort par les courants electriques: courant alternative a bas voltage. J Physiol Path Gen. 1899; 1: 399–412.

5. Beck C, Pritchard W, Heil H. Ventricular fibrillation of long duration abolished by electric shock. JAMA. 1947; 135: 985–986.