Research Article
Predict Defibrillation Outcome Using Stepping Increment of Poincare Plot for Out-of-Hospital Ventricular Fibrillation Cardiac Arrest
Figure 3
Measures between successful shocks (success) and unsuccessful shocks (failure). Median stepping increment of Poincare plot, MSI; amplitude spectrum area, AMSA; signal integral, SignInt; mean slope, MS; , compared with unsuccessful shocks, .