It causes the veins to pop up and become easier to inject into.
Inject it.
Arteries, veins, & capillaries are the three main veins while drawing blood in arm
The three main veins in the arm are:brachial veincephalic veinbasilic vein
The radial and brachial.The basilic vein and the cephalic vein are the most important superficial veins of the arm.
Don't inject into your arm. Unless you are using some time of "site injectable" steroid, which only effects the muscl injected, you never want to inject into your arm. There are places in the shoulder to inject but there are a lot of nerves there and it is risky. Inject into your butt, or quardricep. There is plenty of muscle, and hard to miss. Plus it's convenient to have both hands to use while you are doing this.
"OK Nurse, Now just INJECT the needle onto the patients arm."
it would probably kill you so it is NOT advisable
3
The Blue one
basilic and sephalic
An IV Cannula or Intravenous Cannula is a small, flexible tube that is placed into one of your veins, usually in the back of your hand or in your arm. It is primarily used for the administration of fluids and medication or to draw blood for analysis.