Appropriate pacing rates & A-V pacing intervals in adults & children

Rate determination:

· Patients intrinsic rate (to override intrinsic rate and therefore at a faster rate)

· Physiological response eg 70—100/min

AV interval:

· Comparable to P-R interval

· Determined by physiological response (enough time for atria to empty), intrinsic AV conduction time and heart rate (increased heart rate may require reduction in AV interval)

· Eg: 150 ms