Syringe

A syringe is a simple piston pump consisting of a plunger that fits tightly in a tube. It is used for many medical procedures that consist of injections, and is usually used with a needle.

Battlefield: Bad Company 2: Vietnam
In Battlefield: Bad Company 2: Vietnam, the Syringe is a gadget issued to the Medic kit. It seems to be the equivalent to the Defibrillator for the base game, however it is unknown if it is still capable of lethality against enemies.