At the cardiac arrest (shock), the drug of choice is.. Epinephrine - same adrenaline = a hormone produced by the adrenal medulla on mammals At the cardiac arrest (shock), the drug of choice is: a- Epinephrine [same adrenaline = a hormone produced by the adrenal medulla on mammals].*** b- Propranolol. c- Hydrocortisone. d- Saline solution. Share This: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook