top of page
Writer's pictureMedicine Revision Crash Course

Cannulation

Cannulation:

1. Introduction:


- Begin with washing hands

- Introduce yourself

- Check the patients name and DOB and what they would like to be called.


- Check details against wristband if patient is wearing one

- Explain procedure and gain consent


o State that it shouldn’t be too painful but might be uncomfortable

o See if they have any needle phobias (e.g. if they would prefer lying down in bed)


- Check for allergies

- Ask the patient which arm they would like to be used

- Position patient appropriately

2. Gather equipment


- Clean tray

- Wash hands again


Gather equipment:

o 2x gloves – check with trust whether 2x non-sterile or 1x sterile, 1x non-sterile is used

o Tourniquet

o Cannula

o Cannula extension set

o Saline flush (usually pre-prepared)

§ Check expiry date

o Alcohol swabs for disinfecting skin

o Sharps bin

o Gauze

o Cannula dressing


- Wash hands again and place equipment in the tray

3. Prepping the cannula:

- Wash hands, apply apron and put on 1st pair of gloves (non-sterile)

- Prepare saline flush by inserting saline into extension and flushing both lumens of the cannula

4. Return to patient

- Wash hands

- Inspect arms to look for any suitable veins

- Apply tourniquet

- Palpate veins and identify suitable vein


Take your time with doing this and remember that sometimes you can feel veins that you cannot necessarily see

- Remove tourniquet

5. Insertion of cannula

- Wash hands

- Put on sterile gloves

- Wipe the site with alcohol swab for 30 seconds and leave to dry for 30 seconds

- Put tourniquet back on

- Remove sheath from canula

- Anchor the vein with non-dominant hand

- Warn patient of sharp scratch and insert cannula at 10-30 degrees

- Observe for flashback

- Insert the advancing cannula into the vein whilst holding/withdrawing needle

- Remove tourniquet

- Remove the needle and dispose in sharps bin

- Attach extension set

- Secure cannula using tape

- Flush the cannula with the saline and ask patient if there is any pain


o Lock the cannula

- Secure cannula with dressing and label with date of insertion

6. To Complete

- Remove gloves and dispose of equipment appropriately

- Wash hands

- Thank patient and check they are feeling ok

VIP SCORE:

The Visual Infusion Phlebitis (VIP) score is used at least once a day to check for phlebitis and monitoring infusion sites. The score is useful to monitor infusion sites and when cannulas need to be removed.





Questions:

1. What does the V.I.P Score stand for and what is it used for?

The Visual Infusion Phlebitis (VIP) score is used at least once a day to check for phlebitis and monitoring infusion sites.

2. The I.V site on a patient has swelling and pain near the I.V site. What score does this get on the V.I.P and what action needs to be taken?

The score is 2 (early phlebitis) and the cannula needs to be removed and inserted at a different site.

3. What are some of the complications of cannulation?


- Infection

- Phlebitis

- Thrombophlebitis

- Embolus

- Pain

- Haematoma

- Haemorrhage

- Extravasation

- Arterial cannulation

- Needlestick injury

4. Label the veins of the arm:







Recent Posts

See All

Comments


bottom of page