15.3 Cardiology.

The capabilities and operation of cardiac pacemakers are described by 3- to 5-letter codes., DDIR pacing VVI pacemakerThe code system for antibradycardia pacemakers endorsed by the North American Society of Pacing and Electrophysiology and the British Pacing and Electrophysiology Group is known as the NASPE/BPEG Generic Code or NBG Code. Although the code need not be expanded when mentioned in passing, it is good practice to describe pacing modes in prose at first mention, eg, “dual-chamber, adaptive-rate (DDDR) pacing.” The NBG Code was revised in 2001 to apply to antibradycardia, adaptive-rate, and multisite pacing.,In Table , positions I through V ...Less