What is the main purpose of dynamic or rate-adaptive AV delays? A Better rate response to exercise B Reduced battery drain on the pacemaker C Less right ventricular pacing D Better upper-rate...

What is the main purpose of dynamic or rate-adaptive AV delays?

A Better rate response to exercise

B Reduced battery drain on the pacemaker

C Less right ventricular pacing

D Better upper-rate behaviour

Which of the following features is associated with the
dispersion of refractoriness?

A Atrial overdrive pacing and AF suppression

B Rate hysteresis and rest rates

C Rate-responsive AV delays and rate-responsive PVARPS

D PMT prevention and termination algorithms