Central venous catheters cvc. Also known as a central line ,central venous line ,or central venous access catheter , is a catheter placed into a large vein. Catheters can be placed in veins in the. Neck _ internal jugular vein. Chest_ subclavian vein axillary vein. Groin _ femoral vein . Or through veins in the arms _ also known as a pice line or peripherally inserted central catheters. It is used to administer medication or fluids that are unable to be taken by mouth or world harm a smaller peripheral vein, obtain blood tests _ specifically the central venous oxygen saturation. And measure central venous pressure.