Apparatus for evaluating cardiac function of living subject

Details Apparatus for evaluating cardiac function of living subject Apparatus for evaluating cardiac function of living subject

1996-08-26

1998-06-30

Getzow, Scott M.

Surgery

Diagnostic testing

Cardiovascular

A61B 529

Patent

active

057726019

ABSTRACT:
An apparatus for evaluating a blood-ejecting function of a heart of a living subject, including a pressure pulse wave sensor which is adapted to be worn on a body portion of the subject to detect a pressure pulse wave which is produced from an artery of the subject in synchronism with a heartbeat of the subject, a first determining device for determining a first value of an index corresponding to a systolic area which is defined by a waveform of a first heartbeat-synchronous pulse of the pressure pulse wave detected by the pressure pulse wave sensor before the subject undergoes a physical exercise, a second determining device for determining a second value of the index corresponding to a systolic area which is defined by a waveform of a second heartbeat-synchronous pulse of the pressure pulse wave detected by the pressure pulse wave sensor after the subject undergoes the physical exercise, and an evaluating device for evaluating the blood-ejecting function of the heart of the subject, based on the determined first and second values of the index.

REFERENCES:
patent: 5178151 (1993-01-01), Sackner

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