Method and apparatus for determining cardiac performance in a patient with a conductance catheter

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Date

2017-11-21

Authors

Marc D. Feldman
Jonathan W. Valvano
John A. Pearce
Chia-Ling Wei

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United States Patent and Trademark Office

Abstract

An apparatus for determining cardiac performance in the patient includes a plurality of electrodes adapted to be placed in the patient and in communication with a heart chamber of the patient for measuring conductance and blood volume in the heart chamber of the patient; and a processor for determining instantaneous volume of the ventricle based on measurement of complex admittance at a plurality of frequencies to identify mechanical strength of the chamber, the processor in communication with the electrodes. A method for determining cardiac performance in a patient.

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