Surgery – Truss – Pad
Patent
1989-01-23
1990-05-29
Cohen, Lee S.
Surgery
Truss
Pad
A61N 100
Patent
active
049286889
ABSTRACT:
A method of treating hemodynamic disfunction by simultaneously pacing both ventricles of a heart. At least one ECG amplifier is arranged to separately detect contraction of each ventricle and a stimulator is then activated for issuing stimulating pulses to both ventricles in a manner to assure simultaneous contraction of both ventricles, thereby to assure hemodynamic efficiency. A first ventricle is stimulated simultaneously with contraction of a second ventricle when the first fails to properly contract. Further, both ventricles are stimulated after lapse of a predetermined A-V escape interval. One of a pair of electrodes, connected in series, is placed through the superior vena cava into the right ventricle and a second is placed in the coronary sinus about the left ventricle. Each electrode performs both pacing and sensing functions. The pacer is particularly suitable for treating bundle branch blocks or slow conduction in a portion of the ventricles.
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Incomplete Filling and Incordinate Contraction as Mechanisms of Hypotension during Ventricular Tachycardia in Man by Joao A. Lima et al., Circulation, vol. 68, No. 5 (1983).
Cohen Lee S.
Getzow Scott
Mirowski Mieczyslaw
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