Circulation
-
Multicenter Study Observational Study
Amplitude spectrum area to guide defibrillation: a validation on 1617 patients with ventricular fibrillation.
This study sought to validate the ability of amplitude spectrum area (AMSA) to predict defibrillation success and long-term survival in a large population of out-of-hospital cardiac arrests. ⋯ In this large derivation-validation study, AMSA was validated as an accurate predictor of defibrillation success. AMSA also appeared as a predictor of long-term survival.