Cardiac-Vascular Nursing Exam Prep II

Answer- B - A generic pacemaker code has 5 positions. Pacemakers are classified using a 5-position code, which describes the different types of pacemakers and their function. Position one (I) indicates the chamber(s) being paced. Position two (II) indicates the chamber(s) being sensed. Position three (III) indicates the device’s response to sensing. Position four (IV) indicates the programmability and rate of modulation function. Position five (V) is only used for tachycardia functions.