Intravenous therapy in the emergency room of the US Marine Corps'<unk>  Trauma Platoon<unk>  is the shock to the circulation resulting from surgery. It is commonly due to a loss of blood which results in insufficient blood volume.
Surgical shock
Distributive shock
Neurogenic shock
Obstructive shock
Cryptic shock
Vasodilatory shock
Hypovolemic shock
Shell shock