A system and method for providing pacing pulses after a
cardioversion/defibrillation shock, where the pacing pulses have a pacing
rate at an initial value. The pacing rate is decreased from the initial
value until at least one intrinsic cardiac contraction is detected. In
one embodiment, the pacing rate is decreased by a set amount after pacing
a set number of cardiac cycles. Providing the set number of pacing pulses
and decreasing the pacing rate by the set amount is then repeated until
at least one intrinsic cardiac contraction is detected. An intrinsic
cardiac rate is then determined from the at least one intrinsic cardiac
contraction. The pacing rate is then increased and maintained to be above
(i.e., greater than) the intrinsic cardiac rate.