Hypothesis for low-energy transthoracic defibrillation.
نویسندگان
چکیده
منابع مشابه
Hypothesis for low-energy transthoracic defibrillation.
timely and informative. The Belfast group has a prodigious experience in out-of-hospital resuscitation and their prospectively collected data have been invaluable in determining energy requirements for defibrillation. The evidence indicating the need for defibrillators storing more than 400 Ws is, at present, inadequate and unconvincing (Lown et al., 1978). In addition to the views expressed by...
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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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A wireless powered implantable atrial defibrillator consisting of a battery driven hand-held radio frequency (RF) power transmitter (ex vivo) and a passive (battery free) implantable power receiver (in vivo) that enables measurement of the intracardiac impedance (ICI) during internal atrial defibrillation is reported. The architecture is designed to operate in two modes: Cardiac sense mode (pow...
متن کاملA New Waveform for Transthoracic Defibrillation
Background A directionally changing shock electrical vector could facilitate defibrillation by depolarizing myocytes with different orientations vis-A-vis the shock field. Such a changing vector can be achieved by a new waveform for transthoracic defibrillation: overlapping sequential pulses. Our purpose was to evaluate this waveform. Methods and Results Ventricular fibrillation was induced in ...
متن کاملTransthoracic Resistance in Human Defibrillation
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: Heart
سال: 1979
ISSN: 1355-6037
DOI: 10.1136/hrt.42.4.495