LEADLESS PACEMAKER USING PRESSURE MEASUREMENTS FOR PACING CAPTURE VERIFICATION
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United States of America Patent
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Jun 28, 2017
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Jul 7, 2016
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Abstract
Methods, devices, and systems for performing pacing capture verification in implantable medical devices such as a leadless cardiac pacemakers using a pressure signal. An example medical device includes a pressure sensor and is configured to monitor for an evoked capture response using the pressure sensor following pace delivery. Various factors of the pressure waveform may be used including the use of threshold, templating, and slope, as well as comparing cross-domain sensed events including using a fiducial point from the pressure signal for comparison to an acoustic, electrical, or motion event, or the use of data obtained from a second device which may be implanted, wearable, or external to the patient.
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