Pacemaker complication

Nomenclature (Five Position Code)

• Position I
  • Chamber paced (A, V, or D (dual))
• Position II
  • Chamber sensed
• Position III
  • How responds to sensed event
    • I = inhibited
    • T = triggered
    • D = Dual
• Position IV
  • Rate modulation capable
• Position V
  • Location or absence of multisite pacing