What does Bolus 500cc ns mean in medical terminology?

Bolus 500cc ns is a medical term used to describe the rapid infusion of 500 cubic centimetres of normal saline solution into a patient's bloodstream. It is typically used in emergency situations when a patient is experiencing severe dehydration or shock. The term "bolus" refers to the rapid infusion of a large volume of fluid, while "500cc" indicates the volume of fluid being administered, and "ns" stands for normal saline, which is a sterile solution containing 0.9% sodium chloride in water.