How to take blood for ABG | Radial Artery

The preferred site is easily accessible, superficial, and collateral circulation. Inject a sufficient amount (around 0.5ml) of 1% lidocaine with a 25 gauge needle intradermally to raise a small wheal at the area where the skin puncture is to be made. Wet the syringe and needle with a sodium heparin solution of 1,000 units/mL BLOOD SAMPLING Radial artery Femoral artery Brachial artery This can minimize the pain associated with an unintentional contact below the artery. If the blood sample was o...