Effects of Interrupting Precordial Compressions on the Calculated Probability of Defibrillation Success During Out-of-Hospital Cardiac Arrest
作者： Trygve Eftestøl , Kjetil Sunde , Petter Andreas Steen
DOI: 10.1161/01.CIR.0000016362.42586.FE
关键词:
摘要: Background— Cardiopulmonary resuscitation (CPR) creates artifacts on the ECG and, with automated defibrillators, a pause in CPR is mandatory during rhythm analysis. The rate of return spontaneous circulation (ROSC) reduced increased duration this hands-off interval rats. We analyzed whether similar intervals humans ventricular fibrillation causes changes predicting lower probability ROSC. Methods and Results— ROSC after shock was continually determined from signal characteristics for up to 20 seconds 634 such patients fibrillation. In an initially high (40% 100%) or median (25% 40%) ROSC, gradually time 8% 11% (P<0.001). episodes low initial (0% 25%; median, 5%), there no further reduction time. Conclusions— between discontinuati...
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