In anticipation of EM Cases Episode 112 on Tachydysrhthmias with Amal Mattu and Paul Dorion, Melanie Baimel tells her Best Case Ever of a previously healthy young man who presents in refractory ventricular fibrillation after receiving multiple single shocks, ongoing chest compressions, several rounds of epinephrine, amiodarone and dual sequence defibrillation without ROSC...