Search Results - "Lang, Douglas J."

Advanced Rhythm Discrimination for Implantable Cardioverter Defibrillators Using Electrogram Vector Timing and Correlation by GOLD, MICHAEL R., SHOROFSKY, STEPHEN R., THOMPSON, JULIE A., KIM, JAEHO, SCHWARTZ, MARK, BOCEK, JOE, LOVETT, ERIC G., HSU, WILLIAM, MORRIS, MILTON M., LANG, DOUGLAS J.

“…Electrogram Vector Timing and Correlation. Introduction: Discrimination of ventricular and supraventricular arrhythmias remains one of the major challenges for…”
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A preview of implantable cardioverter defibrillator systems in the next millennium: an integrative cardiac rhythm management approach by Morris, Milton M, KenKnight, Bruce H, Warren, Jay A, Lang, Douglas J

“…The implantable cardioverter defibrillator (ICD), a primary therapeutic option for preventing sudden cardiac death, has rapidly evolved since being introduced…”
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Improved internal defibrillation success with shocks timed to the morphology electrogram by HSU, W, YAYUN LIN, LANG, D. J, JONES, J. L

“…A previous retrospective study by our group suggested that shocks timed to the upslope of the shocking lead electrogram improved defibrillation efficacy. The…”
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Hemodynamic sensors by Daum, Douglas R, Jones, Bruce R, Lang, Douglas J

“…Present adaptive-rate pacemakers use a range of sensors for implementation in open-loop and closed-loop control systems. Hemodynamic sensors that detect the…”
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Future of bradyarrhythmia therapy systems: automaticity by Jones, Bruce R, Kim, Jungkuk, Zhu, Qingsheng, Nelson, James P, KenKnight, Bruce H, Lang, Douglas J, Warren, Jay A

“…Since the first fixed-rate ventricular pacemaker was introduced in the late 1950s, pacing systems have evolved rapidly. Current developments focus on making…”
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Detection of atrial arrhythmia for cardiac rhythm management by implantable devices by Morris, Milton M., KenKnight, Bruce H., Lang, Douglas J.

“…Implantable atrial defibrillators (IAD) should provide pacing therapy whenever appropriate (ie, typical atrial flutter) to minimize shock-related patient…”
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Shock timing lowers transvenous defibrillation energy requirement by Hsu, William, Lin, Yayun, Lang, Douglas J, Jones, Janice L

“…Previous studies suggested that time periods exist during ventricular fibrillation when defibrillation shocks are more effective. However, there is no…”
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Comparison of standard VS up/down methods for determining the defibrillation probability curve by Hahn, Stephen J, Swanson, David K, Heil, John E, Lang, Douglas J

“…Computer simulations showed that the combinations of a sequential up/ down test protocol and maximum likelihood curve fitting produced better estimates of…”
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High resolution method for comparing defibrillation efficacy of experimental treatments in pigs by Kenknight, Bruce H, Hahn, Stephen J, Heil, John E, Dahl, R Oger W, Lang, Douglas J

“…Accurate determination of defibrillation (D) strength requirements (DSR) in animal experiments requires fitting curves to conversion data. The resultant D…”
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Clinical Validation of New Pacing-Sensing Configurations for Atrial Automatic Capture Verification in Pacemakers by BUTTER, CHRISTIAN, HARTUNG, WOLFGANG M., KAY, G. NEAL, WILLEMS, ROGER, ZHANG, GENG, LANG, DOUGLAS J., FLECK, ECKART

“…Atrial Automatic Pacing Capture Verification. Introduction: This study evaluated an atrial automatic capture verification scheme based on atrial evoked…”
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A New Defibrillator Discrimination Algorithm Utilizing Electrogram Morphology Analysis by GOLD, MICHAEL R., HSU, WILLIAM, MARCOVECCHIO, ALAN F., OLSOVSKY, MARY R., LANG, DOUGLAS J., SHOROFSKY, STEPHEN R.

“…Inappropriate therapies delivered by implantable cardioverter defibrillators (ICDs) for supraventricular arrhythmias remain a common problem, particularly in…”
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Implantable cardioverter defibrillator lead technology: improved performance and lower defibrillation thresholds by Lang, D J, Heil, J E, Hahn, S J, Lindstrom, C C, Derfus, D L

“…The performance of an ICD system depends, in part, on the effectiveness with which the lead system functions. Engineering trade-offs are made during the design…”
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Technological Advances in Implantable Cardioverter-Defibrillators Before the Year 2000 and Beyond by KenKnight, Bruce H, Jones, Bruce R, Thomas, Andra C, Lang, Douglas J

“…The implantable cardioverter-defibrillator (ICD) has evolved rapidly since its clinical introduction; product life cycles have been exceedingly short. This…”
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Effect of Shock Timing on Defibrillation Success by HSU, WILLIAM, LIN, YAYUN, HEIL, JOHN E., JONES, JANICE, LANG, DOUGLAS J.

“…The goal of this study was to determine whether delivering transvenous defibrillation shocks, coordinated with the up/down‐slope VF waveform patterns in the…”
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Large capacitor defibrillation waveform reduces peak voltages without increasing energies by Hahn, S J, Heil, J E, Lang, D J

“…This study tested the hypothesis that increasing capacitance would allow a reduction in ICD size without reducing the deliverable energy. For example, the…”
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Reproducibility of defibrillation threshold by Lang, D J

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Position of Epicardial Patch Electrodes for Implantable Defibrillation Significantly Affects Shock Strength Requirements by Knight, Bruce H. Ken, Heil, John E., Hahn, Stephen J., Lang, Douglas J.

“…ABSTRACT Objective: To assess the impact of epicardial patch electrode position on internal defibrillation efficacy. Methods: Two mesh patch electrodes (13…”
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Algorithms for fibrillation and tachyarrhythmia detection by Lang, D J, Bach, Jr, S M

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Comparison of standard VS up/down methods for determining the defibrillation probability curve by Hahn, Stephen J, Swanson, David K, Heil, John E, Lang, Douglas J

“…Computer simulations showed that the combinations of a sequential up/ down test protocol and maximum likelihood curve fitting produced better estimates of…”
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High resolution method for comparing defibrillation efficacy of experimental treatments in pigs by Kenknight, Bruce H, Hahn, Stephen J, Heil, John E, Dahl, ROger W, Lang, Douglas J

“…Accurate determination of defibrillation (D) strength requirements (DSR) in animal experiments requires fitting curves to conversion data. The resultant D…”
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