Polygraph with improved cardiac monitoring

Details Polygraph with improved cardiac monitoring Polygraph with improved cardiac monitoring

1988-03-21

1990-07-10

Jaworski, Francis

Surgery

Truss

Pad

128900, 128695, A61N 100

Patent

active

049400592

ABSTRACT:
A polygraph for detecting and displaying the beat by beat changes in the relative rate of increase of the blood pressure of the heart. Electronic circuitry for measuring the derivative of the blood pressure pulse, and displaying it on either a separate channel or by adding it to the top of the blood pressure pulse waveform from which it was derived is disclosed.

REFERENCES:
patent: 2658505 (1953-11-01), Sheer
patent: 2944542 (1960-07-01), Barnett et al.
patent: 4418700 (1983-12-01), Warner
patent: 4564020 (1986-01-01), Link
patent: 4821735 (1989-04-01), Goor et al.
Measurement of the Maximum Rate of Rise of Aortic Blood Pressure in Man, by George et al., Medical Research Engineering, Fourth Quarter, 1967.

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