Putting in IV cannula and starting a drip
Used to give IV fluids AND/OR medicines. IV cannula connected to
- Bung — if no fluids needed
- Drip — if fluids needed
Attention
- Make sure you are putting needle into vein not into artery or nerve
- Always lie person down in case they faint
- If person has had mastectomy or dialysis fistula — use other side
- If person critically unwell or in cardiac arrest and putting in IV cannula likely to be difficult or take too long — consider intraosseous needle
- Big veins sometimes not the best as they can roll
- Avoid areas of flexion
- Biggest veins usually found
- On inner forearm — common in men
- On back of hand and side of wrist —Figure 4.11
- Just in front of inside ankle bone — Figure 4.12
Figure 4.11
Figure 4.12
- Look at the vein and then feel vein
- Lower arm/leg below level of the heart to help fill veins
- If cold — warm body part by using a warm compress or warm water to help find vein
What you need
- Helper if possible
- Bluey
- Tourniquet
- Sterile dressing pack — to use as sterile area (optional)
- 10mL normal saline in syringe
- Chlorhexidine 2% in isopropyl alcohol 70% swab or solution
- Tape
- 8cm x 6cm transparent IV site dressing
- IV bag sticker and drip stand or somewhere to hang fluid bag if needed
- Sterile bung, prepared and primed intravenous giving set, short extension and IV fluids
- Intravenous cannula of right size
- 22–24G infants and children
- 20G adults
- 16G adult trauma, resuscitation or shock — for rapid fluid resuscitation
What you do
- If drip needed — write date and time on IV bag sticker
- Connect IV fluids to line, prime line with fluid and let out any air bubbles
- Choose vein you are going to use and put bluey underneath
- Lay out dressing pack and equipment. Wash hands and put on gloves
- Clean site with skin cleanser as per local guidelines
- Put on tourniquet OR use helper’s hands to squeeze child's limb
- Wait for vein to swell
- Pull person’s skin down to hold vein still — Figure 4.13
Figure 4.13
- Hold IV cannula with needle bevel facing upward at a 20–30° angle to skin. 20° for superficial vein, 30° for deep vein. Put into vein and see flashback of blood
- Lower cannula to nearly level with skin and gently push 6–12mm into vein
- Slide teflon cannula fully up vein while holding trocar still
- Press firmly on skin above plastic cannula. Press with your thumb or arch made by your thumb and forefinger around limb — Figure 4.14
Figure 4.14
- Undo tourniquet then take out needle/trocar
- Use piece of tape to secure cannula and label with date and time inserted
- Flush with 5–10mL normal saline to make sure you are in vein. Should be no swelling above cannula site
- Connect bung or IV line to cannula and run IV fluids as needed
- Put on see-through dressing — to check site for redness or swelling
- Tape IV line to skin in a loop, bandage lightly over cannula and tubing
- May need to splint area to stop movement
- If person complains of pain or pressure — check cannula is in vein not tissue