Organophosphorous compounds are the basis of many insecticides and nerve agents. In military and first responder situations, organophosphorous (OP) poisoning is treated immediately with nerve agent antidote autoinjectors. The specific antidotes contained within these autoinjectors vary by country. In certain situations, such as severe exposure, skin exposure to low-volatility nerve agents and protracted low-dose exposure, there is a requirement for in-hospital care of OP nerve agent poisoned casualties. This treatment is more effectively carried out using...