Morphology-based optimization of cardiac resynchronization therapy
US7558628B2 · kind B2 · utility
48Cited by
43References
20Claims
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Key dates
| Filing date | Jul 10, 2006 |
| Grant date | Jul 7, 2009 |
| Priority date | — |
| Expiry date | Sep 10, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N1/3684
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method and apparatus for delivering cardiac resynchronization therapy (CRT) in which an evoked response electrogram is recorded during one or more cardiac cycles and used to aid in the selection of resynchronization pacing parameters and/or to monitor the effectiveness of resynchronization therapy. The morphology of an evoked response electrogram may be recorded and analyzed to determine if and when intrinsic activation of one ventricle is occurring in order to optimally adjust the programmed atrio-ventricular (AV) delay interval for ventricular resynchronization pacing of a patient with intact AV node conduction.
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