“…It is very inspiring to learn from the Ruttonjee Hospital emergency department (ED) on reporting the first successful return of spontaneous circulation (ROSC) and Survival-to-Admission (STA) case (though without achieving Survivalto-Discharge (STD)) of a middle-aged obese smoker with refractory ventricular fibrillation (VF) by SKJ Lau et al in the January issue of 2019 of your esteemed Journal. 1 To improve the success of defibrillation, the following technical skill factors are important:…”