Method and apparatus for discriminating among normal and patholo

Details Method and apparatus for discriminating among normal and patholo Method and apparatus for discriminating among normal and patholo

1990-11-30

1993-03-16

Howell, Kyle L.

Surgery

Truss

Pad

128705, 128702, A61B 50464

Patent

active

051935503

ABSTRACT:
A method and apparatus for discriminating among the various normal and pathologic tachycardias. In response to the detection of tachycardia, far-field ventricular electrograms sensed using atrial electrodes and far-field atrial electrograms sensed using ventricular electrodes are analyzed in order to categorize the source and type of tachyarrhythmia detected. The detection method and apparatus may be employed in conjunction with dual chamber anti-bradycardia pacemakers to avoid pacemaker mediated tachycardias or may be employed to mediate the delivery of pacing energy or cardioversion/defibrillation shock energy to a malfunctioning heart, in the context of an implantable antitachycardia device.

REFERENCES:
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patent: 4860749 (1989-08-01), Lehmann
"Necessity of Signal Processing in Tachycardia Detection" by Seymour Furman et al., Future Publications, 1982, pp. 265-274.
"Automatic Tachycardia Recognition" by R. Arzbaecher et al. (PACE, May-Jun. 1984, pp. 541-547).
"Automatic Implantable Cardioverter Defibrillator Structural Characteristics" by Mower et al. PACE, vol. 7, Nov.-Dec., 1984, Part II, pp. 1331-1334.
"Experimental Ventricular Defibrillation with an Automatic and Completely Implanted System", by Schuder et al., Transaction Society for Artificial Internal Organs, 16:207, 1970.

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