Effect of epicardial patch electrodes on transthoracic defibrillation.
نویسندگان
چکیده
منابع مشابه
Effect of epicardial patch electrodes on transthoracic defibrillation.
To improve survival rates in patients undergoing surgical ablative procedures for malignant ventricular tachycardia (VT), a frequent practice is to implant epicardial patch electrodes at the time of map-guided surgery. After operation, patients with inducible VT often receive an automatic internal cardioverter/defibrillator (AICD) implant, whereas patients with noninducible VT usually do not. I...
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DefibViz is a software tool for defibrillation simulation and the visualization of the resulting voltage gradient induced throughout the human heart and torso. This paper presents an extension to DefibViz that provides functionality for the interactive placement of multiple sets of transthoracic electrodes of varying shape, size, and applied voltage. Such a tool may provide biomedical engineers...
متن کاملTransthoracic Defibrillation
To improve survival rates in patients undergoing surgical ablative procedures for malignant ventricular tachycardia (VT), a frequent practice is to implant epicardial patch electrodes at the time of map-guided surgery. After operation, patients with inducible VT often receive an automatic internal cardioverter/defibrillator (AICD) implant, whereas patients with noninducible VT usually do not. I...
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The purpose of this study was to determine the effect of sternotomy on transthoracic impedance, a major determinant of current flow and defibrillation success. Transthoracic impedance was determined by using a validated test-pulse technique that does not require actual shocks. Seventeen patients undergoing median sternotomy were studied prospectively. Transthoracic impedance was determined befo...
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Successful defibrillation depends on delivery of adequate electrical current to the heart; one of the major determinants of current flow is transthoracic resistance (TTR). To study the factors influencing ITR, we prospectively collected data from 44 patients undergoing emergency defibrillation. Shocks of94-450 J delivered energy were administered from specially calibrated Datascope defibrillato...
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ژورنال
عنوان ژورنال: Circulation
سال: 1990
ISSN: 0009-7322,1524-4539
DOI: 10.1161/01.cir.81.4.1409