SYSTEM AND METHOD OF USING AV CONDUCTION TIMING
First Claim
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1. A system comprising:
- a cardiac pacemaker comprising means for collecting data indicative of a time interval for atrial-ventricular conduction delay (AV delay);
means for correlating the collected data with a trigger condition to determine whether to initiate collection of data related to patient-indicated symptoms, wherein the trigger condition is determined based on the collected data; and
means for displaying the collected data.
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Abstract
In an implantable medical device that provides atrial and ventricular pacing in an atrial-based pacing mode, longer periods of time are permitted for intrinsic AV conduction to occur. By monitoring the patient'"'"'s AV delay under these circumstances, useful information is obtained that can be correlated to other patient conditions or symptoms.
37 Citations
20 Claims
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1. A system comprising:
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a cardiac pacemaker comprising means for collecting data indicative of a time interval for atrial-ventricular conduction delay (AV delay); means for correlating the collected data with a trigger condition to determine whether to initiate collection of data related to patient-indicated symptoms, wherein the trigger condition is determined based on the collected data; and means for displaying the collected data. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 20)
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9. A method comprising:
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providing cardiac pacing with an implanted pacemaker; using the pacemaker to measure an atrial ventricular conduction delay (AV delay) for each of a plurality of cardiac cycles; storing the measured AV delays in the pacemaker; transmitting the stored AV delays to an external device as AV delay data; using the AV delay data to evaluate a medical status; and correlating the measured AV delays with a trigger condition to determine whether to initiate collection of data related to patient-indicated symptoms. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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Specification