Simultaneous bipolar pacing and sensing during EPs.
Bipolar pacing and sensing-recording on the same electrode is a problem during pacemaker implantation as well as during electrophysiological studies. A method is described that makes this possible. By using bipolar simultaneous sensing-pacing on the same electrode, the system can record local repolarization after a depolarization controlled by stimulation. The bipolar-paced evoked potential is useful as an indicator to drive a bipolar QT rate responsive pacemaker. Even more, during EPS it can be used to detect capture during tachycardia stimulation and to measure the exact refractory period.
Snoeck
J
J
University Hospital, Antwerp, Belgium.
Berkhof
M
M
Vrints
C
C
D002244:Carbon; D002304:Cardiac Pacing, Artificial / Q000379:methods; D004553:Electric Conductivity; D004558:Electric Stimulation; D004562:Electrocardiography; D004567:Electrodes, Implanted; D004594:Electrophysiology; D005071:Evoked Potentials; D006321:Heart / Q000503:physiopathology*; D006801:Humans; D008838:Microcomputers; D010138:Pacemaker, Artificial; D012815:Signal Processing, Computer-Assisted
D002244:Carbon