Noninvasive apparatus and method for the determination of cardia

Details Noninvasive apparatus and method for the determination of cardia Noninvasive apparatus and method for the determination of cardia

1998-07-02

2000-11-21

Lateef, Marvin M.

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

600455, A61B 800

Patent

active

061495956

ABSTRACT:
A method and device for determining a plurality of cardiovascular parameters are described, wherein the parameters are determined from noninvasively obtained data, thereby obviating the need for invasive procedures such as cardiac catheterization. These determinations are enabled by incorporating fluid dynamics and thermodynamics equations with nonivasively obtained mechanical cardiac event data to estimate a desired cardiovascular parameter. Exemplary parameters obtainable with the method and device include aortic and mitral valve areas, cardiac left ventricular stroke volume, and aortic and mitral valve pressure gradients.

REFERENCES:
patent: 5701898 (1997-12-01), Adam et al.

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