General purpose of this lecture is to present initiating Saline Lock. The saline lock is a form of vein access that may be used for numerous low risk mother in labor at the hospital. It allows immediate entry to the vein in the event of a complication, to delivery IV pain medications just like Stadol, Demerol, and many others. Here briefly discuss on Hypovlemic Shock, Signs and symptoms. Here also describe which casualties should get fluids, and which should get a saline lock and how much fluid should casualties get.