Monitoring HF exacerbation and cardiac resynchronization therapy performance
First Claim
1. A method comprising:
- delivering a cardiac resynchronization therapy that comprises an atrio-ventricular delay parameter and an interventricular delay parameter;
measuring an intrinsic atrio-ventricular conduction delay;
measuring an intrinsic interventricular conduction delay;
assessing heart failure status based at least in part on the measured atrio-ventricular conduction delay and the measured interventricular conduction delay; and
adjusting at least one of the atrio-ventricular delay parameter value and the interventricular delay parameter value based at least in part on the measured atrio-ventricular conduction delay and the measured interventricular conduction delay.
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Accused Products
Abstract
An exemplary method includes delivering a cardiac resynchronization therapy using an atrio-ventricular delay parameter and an interventricular delay parameter, measuring an atrio-ventricular conduction delay, measuring an interventricular conduction delay, assessing heart failure and/or cardiac resynchronization therapy performance based at least in part on the measured atrio-ventricular conduction delay and the measured interventricular conduction delay and determining at least one of an atrio-ventricular delay parameter value and an interventricular delay parameter value based at least in part on the measured atrio-ventricular conduction delay and the measured interventricular conduction delay. Other exemplary technologies are also disclosed.
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Citations
20 Claims
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1. A method comprising:
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delivering a cardiac resynchronization therapy that comprises an atrio-ventricular delay parameter and an interventricular delay parameter; measuring an intrinsic atrio-ventricular conduction delay; measuring an intrinsic interventricular conduction delay; assessing heart failure status based at least in part on the measured atrio-ventricular conduction delay and the measured interventricular conduction delay; and adjusting at least one of the atrio-ventricular delay parameter value and the interventricular delay parameter value based at least in part on the measured atrio-ventricular conduction delay and the measured interventricular conduction delay. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method comprising:
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delivering a cardiac resynchronization therapy that comprises an atrio-ventricular delay parameter and an interventricular delay parameter; measuring an atrio-ventricular conduction delay; measuring an interventricular conduction delay; assessing cardiac resynchronization therapy performance based at least in part on the measured atrio-ventricular conduction delay and the measured interventricular conduction delay; and determining at least one of an atrio-ventricular delay parameter value and an interventricular delay parameter value based at least in part on the measured atrio-ventricular conduction delay and the measured interventricular conduction delay. - View Dependent Claims (13, 14, 15)
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16. An implantable medical device comprising:
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stimulation circuitry that delivers cardiac resynchronization therapy that comprises an atrio-ventricular delay parameter and an interventricular delay parameter; sensing circuitry that measures an intrinsic atrio-ventricular conduction delay and an intrinsic interventricular conduction delay; assessment circuitry that assesses heart failure status based at least in part on the measured atrio-ventricular conduction delay and the measured interventricular conduction delay; and wherein the stimulation circuitry adjusts at least one of the atrio-ventricular delay parameter value and the interventricular delay parameter value based at least in part on the measured atrio-ventricular conduction delay and the measured interventricular conduction delay. - View Dependent Claims (17, 18, 19, 20)
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Specification