DOCTOR INFORMATION
Venepuncture (OSCE)
Introduction
- Greet patient and introduce yourself
- Confirm patient details ✍
- Briefly explain the procedure in a patient friendly manner
- Get patient consent ✅
- Check if the patient has any relevant allergies
- Ensure the patient is sitting down and their arms are exposed
- Check the patient is not in any pain
- Wash hands ✋
Equipment
Gloves ✋
Apron
Tourniquet
Sterile plaster
Sharps bin 🗑
Gauze/cotton wool
Blood sampling device 💉
Blood specimen bottles
Labels and forms for the laboratory ✍
Transportation bag
Clean procedure tray
Choosing the most appropriate arm
- Inspect arm for suitable venepuncture site (the antecubital fossa’s median cubital vein is commonly used, ensure the skin is intact and not at the joining of 2 veins) 💉
- Lay the arm in a comfortable position, giving you sufficient space for venepuncture
- Apply to tourniquet 4 to 5 finger widths higher than your chosen venepuncture site 👉
- Tap the chosen vein as the patient clenches and unclenches their fist to visualise it more easily ✊
- Palpate the vein to assess whether it is suitable (feels springy not hard)
- Release tourniquet
- Wash hands and put gloves on ✋
- Clean site with alcohol swab for 30 seconds ⌛
- Allow site to dry
Needle insertion
- Wash hands ✋
- Put on clean gloves ✋
- Reapply tourniquet
- Attach needle to barrel of blood collection device if not preassembled
- Uncover needle and prepare it 💉
- Pull the skin beside the chosen venepuncture site tight with your non-dominant hand ✋
- Inform patient you are ready to insert the needle and they should expect to feel a sharp scratch
- Insert needle at a 30° angle or less 📐
- Flashback confirms you have punctured the vein successfully ✅
- Insert the needle approximately 2mm further to reach the vein’s lumen
- Lower the needle and anchor it to the skin using the wings
- Attach the blood bottles to the barrel, filling them with the appropriate amount of blood, in the specific order: Aerobic blood culture ➡ Anaerobic blood culture ➡ Light blue ➡ Gold/yellow ➡ Purple ➡ Pink ➡ Grey
- Release tourniquet
- Remove needle from arm
- Apply pressure to venepuncture site with gauze/cotton wool
- Ask patient to apply pressure as you have shown them
- Appropriately dispose of sharps and waste 🗑
- Apply a dressing over the venepuncture site
- Invert each of the blood bottles as appropriate: Pink, grey and purple bottles: invert 8 to 10 times, Gold/yellow bottles: invert 5 to 6 times, Light blue bottles: invert 3 to 4 times
Completion
- Tell the patient the examination is complete ✅
- Tell the patient to seek medical advice if they experience pain or inflammation
- Thank patient
- Wash hands ✋
- Write patient details on blood sample bottles ✍
- Send blood sample bottles to the laboratory for analysis
Summary:
- Greet the patient and explain the procedure
- Prepare by collecting equipment, putting on PPE and washing your hands
- Identify a suitable venipuncture site and apply the tourniquet 4-5 finger-widths above it
- Clean the site and insert the needle into the lumen of the vein
- Attach the blood bottles, filling them in the following order: Aerobic blood culture ➡ Anaerobic blood culture ➡ Light blue ➡ Gold/yellow ➡ Purple ➡ Pink ➡ Grey
- Remove needle and tourniquet, then apply cotton wool/plaster
- Invert blood bottles 3-4 times
- Complete procedure by thanking patient and disposing of waste appropriately
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