Vein selection
Choosing a vein for venepuncture, palpation technique and veins to avoid.
The antecubital fossa
The median cubital vein is usually the first choice: it is often large, well anchored and away from the main nerves and artery. The cephalic vein, on the thumb side, is a common second choice. The basilic vein, on the little-finger side, lies close to the brachial artery and median nerve, so take extra care there.
Palpation
Feel before you look. A healthy vein feels soft and bouncy. Palpate systematically across the fossa, and check both arms.
Alternative sites
Forearm and hand veins can be used when the antecubital fossa is not suitable. Hand veins tend to be smaller, more mobile and more painful.
Veins to avoid
Veins that feel hard or cord-like, areas of scarring, infection or bruising, an arm with a fistula or an infusion running, the side of a mastectomy or lymph node removal unless local policy allows it, and anything that pulsates.
General information only. It is not accredited CPD and does not replace your training, your employer's procedures or the receiving laboratory's requirements.
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