Extraction of hemodynamic pulse pressure from fluid and myocardi

Details Extraction of hemodynamic pulse pressure from fluid and myocardi Extraction of hemodynamic pulse pressure from fluid and myocardi

1998-10-13

2000-02-15

Schaetzle, Kennedy J.

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

607 9, 600513, A61N 1368

Patent

active

060263245

ABSTRACT:
A cardiac stimulating apparatus and method is described that non-intrusively determines an amount indicative of hemodynamic pulse pressure from an accelerometer signal. The amount indicative of pulse pressure is determined over several cardiac cycles and is used to optimize cardiac performance by evaluating the amount indicative of pulse pressure over varying timing intervals. The timing intervals are measured between at least one of intrinsic and paced stimulations of pre-selected chambers of the heart and a maximum pulse pressure indicates the optimum timing interval under manipulation. The cardiac stimulating apparatus and method may be used in any of several pacing modes including A-V pacing, V-V pacing, or A-A pacing.

REFERENCES:
patent: 4566456 (1986-01-01), Koning et al.
patent: 5156147 (1992-10-01), Warren et al.
patent: 5549650 (1996-08-01), Bornzin et al.
patent: 5674256 (1997-10-01), Carlson

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