دورية أكاديمية
Rounded Biphasic Waveform Reduces Energy Requirements for Transvenous Catheter Cardioversion of Atrial Fibrillation and Flutter.
العنوان: | Rounded Biphasic Waveform Reduces Energy Requirements for Transvenous Catheter Cardioversion of Atrial Fibrillation and Flutter. |
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المؤلفون: | Harbinson, M. T., Allen, J. D., Imam, Zafar, Dempsey, G., McC Anderson, J., Ayers, G. M., Adgey, A. Aj. |
المصدر: | Pacing & Clinical Electrophysiology; Jan1997, Vol. 20 Issue 1, p226-229, 4p |
مصطلحات موضوعية: | ATRIAL fibrillation, CATHETERIZATION, MEDICAL equipment, HEART diseases, CARDIOLOGY, CARDIAC patients |
مستخلص: | We postulated that reducing peak leading edge shock voltage and its rate of rise (waveform rounding) would reduce energy requirements for cardioversion of AF and AFl, and may therefore reduce patient discomfort. Transvenous defibrillating catheters (In-Control Inc.) were placed in the RAA (active fixation) and the CS of six anesthetized sheep. AF or AFl was induced by electrical stimulation (100 Hz, 2 V; Grass stimulator). A standard trapezoidal biphasic (S) waveform (3-ms duration each phase) was compared with a similar waveform that had the first phase rounded (H). Cardioversion was attempted after 30 seconds of arrhythmia, using a Ventritex HVS-O |
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قاعدة البيانات: | Complementary Index |
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