Out of hospital cardiac arrest with shock-refractory ventricular tachycardia (VT) or fibrillation (VF) carries a severe prognosis. Despite their frequent use and guideline inclusion in this scenario, evidence that amiodarone or lidocaine improve survival is lacking. In this large multicenter randomized controlled double-blind trial, 3026 adult patients with spontaneously occurring out-of-hospital cardiac arrest and shock-refractory […]