Cardiac pacing using sensed coronary vein blood temperature and left ventricular flow rate
First Claim
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1. A method of pacing a patient'"'"'s heart, comprising:
- sensing left ventricular electrical rhythms;
sensing left ventricular blood flow rate;
sensing a coronary vein blood temperature; and
modifying delivery of synchronized electrical signals to the patient'"'"'s heart based at least in part on the sensed coronary vein blood temperature and sensed left ventricular flow rate.
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Abstract
Methods of cardiac pacing involve sensing left ventricular electrical rhythms, sensing left ventricular blood flow rate, and sensing a coronary vein blood temperature. The methods further involve modifying delivery of synchronized electrical signals to the patient'"'"'s heart based at least in part on the sensed coronary vein blood temperature and sensed left ventricular flow rate.
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Citations
29 Claims
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1. A method of pacing a patient'"'"'s heart, comprising:
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sensing left ventricular electrical rhythms; sensing left ventricular blood flow rate; sensing a coronary vein blood temperature; and modifying delivery of synchronized electrical signals to the patient'"'"'s heart based at least in part on the sensed coronary vein blood temperature and sensed left ventricular flow rate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method of pacing a patient'"'"'s heart, comprising:
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providing a lead system into a coronary vein of a left ventricle of the patient'"'"'s heart, the lead system comprising; an elongated body; at least one electrode at a distal end of the lead system; and at least one thermal sensor at a distal end of the lead system; providing a flow sensor in the patient'"'"'s heart; sensing ventricular electrical rhythms using the at least one electrode; sensing a coronary vein blood temperature using the at least one thermal sensor; sensing a left ventricular flow rate using the flow sensor; and modifying delivery of synchronized electrical signals to the patient'"'"'s heart using the sensed coronary vein blood temperature and sensed left ventricular flow rate. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
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Specification