| defibrillator | <equipment> A device which delivers a measured electrical shock to arrest fibrillation of the heart (ventricle). (27 Sep 1997) |
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| defibrillators, implantable | Implantable devices which continuously monitor the electrical activity of the heart and automatically detect and terminate ventricular tachycardia and ventricular fibrillation. They consist of an impulse generator, batteries, and electrodes. (12 Dec 1998) |
| infusion pumps, implantable | Implanted fluid propulsion systems with self-contained power source for providing long-term controlled-rate delivery of drugs such as chemotherapeutic agents or analgesics. Delivery rate may be externally controlled or osmotically or peristaltically controlled with the aid of transcutaneous monitoring. (12 Dec 1998) |
| external defibrillator | A defibrillator that delivers its defibrillating shock through the unopened chest wall. (05 Mar 2000) |