Source:http://linkedlifedata.com/resource/umls/id/C0810515
UMD: Implantable defibrillator-cardioverters that can also analyze the cardiac rhythm and provide multitiered therapy, including antitachycardia and/or bradycardia pacing, low-energy synchronized cardioversion, and unsynchronized defibrillation. Most of these stimulators have memory modules for storage and retrieval of the cardiac electrical activity and programmable capabilities.