Related Experiment Videos
Noninvasive conversion of a fixed-rate demand pacemaker to activity mode: a method for assessing the clinical effect
1Division of Cardiovascular Diseases, Mayo Clinic, Rochester, MN 55905.
Mayo Clinic Proceedings
|October 1, 1987
Abstract:
Some patients with fixed-rate demand pacemakers may benefit from conversion to a rate-responsive pacing system. In this report, we describe a technique by which the effect of rate-responsive pacing can be assessed before replacing the pacemaker system. An externally positioned activity-mode physiologic pulse generator was used to drive a previously implanted ventricular demand pacemaker programmed to the triggered mode. Comparison of exercise capacity under both conditions suggested a substantial benefit from rate-responsiveness.