Patent ID: 8594791

Claim:
An implantable pacing device, comprising: pulse generating circuitry for outputting pacing pulses through one or more pre-excitation pacing channels; a controller programmed to deliver paces through the pre-excitation pacing channel(s) in accordance with a programmed pre-excitation pacing mode when the device is operating in a pre-excitation state; wherein the controller is operable to configure the pre-excitation pacing channel(s) with a pacing electrode selected among a plurality of pacing electrodes; a blood pressure sensor communicating with the controller for generating a signal related to a patient's arterial blood pressure, the controller being programmed to derive a blood pressure measurement therefrom; wherein the controller is programmed to duty cycle the pre-excitation state by entering the pre-excitation state if the blood pressure measurement is above a first limit value and exiting the pre-excitation state if the blood pressure measurement falls below a second limit value.