Apparatus and method for distinguishing heart beats from intra-a

Details Apparatus and method for distinguishing heart beats from intra-a Apparatus and method for distinguishing heart beats from intra-a

1993-03-12

1994-11-22

Cohen, Lee S.

Surgery

Truss

Pad

600 18, A61B 504

Patent

active

053659333

ABSTRACT:
A method and apparatus for distinguishing heart beats from intra-aortic balloon pump beats, and for distinguishing assisted heart beats from unassisted heart beats. The method and apparatus further allows for determining average minimum and maximum pressures of assisted and unassisted heart beats and the average maximum pressures of the balloon pump beats. In general, an embodiment of the invention distinguishes among assisted heart beats, unassisted heart beats, and balloon pump beats by a comparison of areas associated with portions of the arterial pressure waveform representative of each successive beat.

REFERENCES:
patent: 4174707 (1979-11-01), Link et al.
patent: 4777959 (1988-10-01), Wallach et al.
patent: 4867171 (1989-09-01), Yamaguchi
patent: 4877035 (1989-10-01), Bogen et al.
patent: 5030197 (1991-07-01), Kageyama
patent: 5139028 (1992-08-01), Steinhaus et al.
patent: 5158529 (1992-10-01), Kanai
"Design and Validation of an Algorithm to Extrat Arterial Blood Pressure Features During Intra-Aortic Balloon Pump Assist", Elghazawwi et al., 1991, Journal of Clinical Monitoring, vol. 7, pp. 97-98.

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