Sensitivity of an automatic external defibrillator for ventricular tachyarrhythmias in patients undergoing electrophysiologic studies.
作者： Mark D. Carlson , Charles S. Freeman , Hasan Garan , Jeremy N. Ruskin
DOI: 10.1016/0002-9149(88)91067-3
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摘要: Abstract An automatic advisory external defibrillator (AED) was activated during all arrhythmias occurring at the time of 77 electrophysiologic studies in 45 patients. Sustained ventricular tachycardia (VT) occurred 55 31 patients and nonsustained VT induced 10 9 Ventricular fibrillation 5 times atrial with a rapid response 7 4 The AED detection algorithm advised “shock” 36 (65%) episodes sustained fibrillation. device correctly for 6 that spontaneously terminated after analysis complete. Thus, sensitivity analyzed 47 66 (71%). recommended 1 2 associated systemic hypotension (32 33, 97%). 19 which “no shock” were comparatively slow hemodynamically well tolerated. 21 normal sinus rhythm 20 pacing (cycle length 400 ms) analyzed. “No narrow QRS complex supraventricular brief before this study specificity wide tachycardias 100%.
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