ATRIAL TRACKING IN AN INTRACARDIAC VENTRICULAR PACEMAKER
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United States of America
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Issued Date -
Apr 10, 2025
app pub date -
Dec 19, 2024
filing date -
Dec 19, 2024
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Abstract
An intracardiac ventricular pacemaker is configured to detect a ventricular diastolic event from a motion signal received by a pacemaker control circuit from a motion sensor. The control circuit starts an atrial refractory period having an expiration time set based on a time of the detection of the ventricular diastolic event. The control circuit detects an atrial systolic event from the motion signal after expiration of the atrial refractory period and controls a pulse generator of the pacemaker to deliver a pacing pulse to a ventricle of a patient's heart at a first atrioventricular pacing time interval after the atrial systolic event detection.
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