Aliases:
Bung
Jelco
Drip
IVB
PIV
IVCs
IVC
IV Cannulation
Cannulation
IV cannula
IV resite
ivc resite
drip resite
Venflon

Topic aliases are alternate phrasings for a particular topic.


Imagine yourself as the patient undergoing cannulation, and think about what you would like if the procedure was being performed on you.

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Rates of infusion of various sizes of peripheral cannulae

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When asked to place an IV on the ward consider :

1. Is it still needed? (Can they convert to oral medications)
2. How urgent is it? (When are drugs next due)
3. What size is required?
- IV fluid
-- Adult 22-20g
-- Paed 24-22g
- blood transfusion
-- Adult 20-16g
-- Paed 24-22g
- IV contrast for CT
-- Adult 20g or larger in forearm or higher

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A longer than usual 4.8cm BD insyte cannula may be available for patients with deep veins.

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For paediatric cannulation ensure you move the patient to a treatment room for the procedure.

Their room on the ward is a protected space in which they should feel safe.

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In situations where limb positioning makes it difficult to bring the angle of the cannula flush to the skin (for example, near a joint), bending the cannula 10-20 degrees at its base (use the plastic cover to do it) may help.

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Spend adequate time looking for the best site for cannulation.

This will reduce the number of retries and reduce patient discomfort.

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Locating and avoiding segments of veins with venous valves may help reduce the number of "fail to advance" attempts.

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To differentiate cubital fossa veins from biceps tendon, feel over the area and ask the patient to flex their elbow against resistance. The tendons will become rigid and the veins will remain flaccid.

#pic #interntip

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Look after your back.

Position yourself, usually seated, to avoid bending over.

You will be doing many of these per day and will get back pain if you don't look after yourself.

#interntip

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-- The painless IV without topical local anaesthetic --




Injection of local anaesthetic is not "more painful than the cannulation" as long as you inject the local anaesthetic correctly.

These steps below usually result in a very comfortable experience for the patient:

1. Use of a small gauge needle (27g or 29g) eg the terumo insulin-syringe.

2. Inject very slowly

3. Inject only enough local anaesthetic to anaesthetise the dermis (the veins do not have nerve endings).
A volume of 0.02-0.1ml of 1% or 2% lignocaine (as superficial as humanly possible ) is usually enough.

#interntip

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A small volume of local anaesthetic (0.2ml of 1% or 2% lignocaine) is all that is required to anesthetise the dermis. Too much (particularly on the back of the hands) will distort the anatomy and collapse the vein.

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If using EMLA cream as a topical anaesthetic ensure it is placed at least 1hr prior to cannulation to allow sufficient time for it to work.

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When using local anesthetic, infiltration of the dermis is all that is required to avoid pain as the vein has no nerve endings (unlike the arteries).

This is assuming you don't hit deeper structures like bone.

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In the patient with peripheral oedema the veins can often be exposed by compressing over an area where a vein is expected with a thumb for 20 seconds.

The interstitial fluid is dissappated and often the vein becomes obvious.

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Secure the IV cannula in place with transparent dressing so that the skin underneath can be observed.

If necessary, to stop the IV dislodging, apply tubifast to limb with a hole cut to allow visual checks of the IV site.
#pic

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