Search Results - "DONOHOO, A. M"

Optimal small-capacitor biphasic waveform for external defibrillation : Influence of phase-1 tilt and phase-2 voltage by YAMANOUCHI, Y, BREWER, J. E, MOWREY, K. A, DONOHOO, A. M, WILKOFF, B. L, TCHOU, P. J

“…Biphasic waveforms have been reported to be more efficacious than monophasic waveforms for external defibrillation. This study examined the optimal phase-1…”
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Large change in voltage at phase reversal improves biphasic defibrillation thresholds : Parallel-series mode switching by YAMANOUCHI, Y, MOWREY, K. A, NADZAM, G. R, HILLS, D. G, KROLL, M. W, BREWER, J. E, DONOHOO, A. M, WILKOFF, B. L, TCHOU, P. J

“…Multiple factors contribute to an improved defibrillation threshold of biphasic shocks. The leading-edge voltage of the second phase may be an important factor…”
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External Exponential Biphasic Versus Monophasic Shock Waveform: Efficacy in Ventricular Fibrillation of Longer Duration by YAMANOUCHI, YOSHIO, BREWER, JAMES E., DONOHOO, ANN M., MOWREY, KENT A., WILKOFE, BRUCE L., TCHOU, PATRICK J.

“…Ventricular fibrillation (VF) duration may be a factor in determining the defibrillation energy for successful defibrillation. Exponential biphasic waveforms…”
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Sawtooth first phase biphasic defibrillation waveform: a comparison with standard waveform in clinical devices by Yamanouchi, Y, Brewer, J E, Mowrey, K A, Kroll, M W, Donohoo, A M, Wilkoff, B L, Tchou, P J

“…A major limitation in a conventional truncated exponential waveform is the rapid drop in current that results in short duration of high current or longer…”
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Optimized First Phase Tilt in "Parallel-Series" Biphasic Waveform by YAMANOUCHI, YOSHIO, MOWREY, KENT A., KROLL, MARK W., BREWER, JAMES E., DONOHOO, ANN M., WILKOFF, BRUCE L., TCHOU, PATRICK J.

“…“Parallel‐Series” Biphasic Waveform. Introduction: A biphasic defibrillation waveform can achieve a large second phase leading‐edge voltage by a…”
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Energy Steering of Biphasic Waveforms Using a Transvenous Three Electrode System by LEONELLI, FABIO M., WANG, K.E., KING, CHARLES, BREWER, JAMES, DONOHOO, ANN M., KROLL, MARK W.

“…The optimal electrode configuration for endocardial defibrillation is still a matter of debate. Current data suggests that a two pathway configuration using…”
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Effects of Polarity on Defibrillation Thresholds Using a Biphasic Waveform in a Hot Can Electrode System by YAMANOUCHI, YOSHIO, MOWREY, KENT A., NADZAM, GEORGE R., HILLS, DONALD G., KROLL, MARK W., BREWER, JAMES E., DONOHOO, ANN M., WILKOFF, BRUCE L., TCHOU, PATRICK J.

“…The polarity of a monophasic and biphasic shocks have been reported to influence DFTs in some studies. The purpose of this study was to evaluate the effect of…”
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Effects of Respiration Phase on Ventricular Defibrillation Threshold in a Hot Can Electrode System by YAMANOUCHI, YOSHIO, MOWREY, KENT A., KROLL, MARK W., BREWER, JAMES E., DONOHOO, ANN M., NIEBAUER, MARK J., WILKOFF, BRUCE L., TCHOU, PATRICK J.

“…The impedance of defibrillation pathways is an important determinant of ventricular defibrillation efficacy. The hypothesis in this study was that the…”
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Dual level sensing significantly improves automatic threshold control for R wave sensing in implantable defibrillators. The Angeion Corporation by Brewer, J E, Perttu, J S, Kroll, M W, Donohoo, A M

“…ICDs must sense R waves over a range of amplitudes without sensing P or T waves. Automatic threshold control (ATC) is an accepted sensing method for that task…”
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