Healthcare and Medicine Reference
In-Depth Information
Figure 22.2 Shaded areas show where to perform heel prick.
Figure 22.1 Child-holding technique.
Examine fi rst to identify veins.
Put cream on multiple areas.
Apply layer of cream.
Cover with occlusive dressing.
Leave for 30-45 minutes (AMETOP®) or 1 hour (EMLA®).
Skin reactions.
Accidental ingestion.
Heel prick
Figure 22.3 Holding the foot for heel prick sampling.
This method for sampling small amounts of blood can be extremely
useful for babies up to around 3 months of age.
Clean the area using a steret and apply a thin fi lm of paraffi n
Blood sampling for capillary gases, basic biochemistry and full
wax. This enables droplets of blood to form and makes collection
Hold the foot as shown in Figure 22.3 between fi ngers and thumb.
blood count.
Puncture the skin with an appropriate lancet. There are
Not suitable for clotting, ammonia or blood cultures.
different-sized devices depending on the size of baby.
Milk the blood down the foot held in dorsifl exion.
Severe bruising, oedema or poor perfusion.
Release the foot momentarily each time to ensure blood
fl ows back into the foot.
Avoid squeezing the foot - this often results in haemolysis and
Puncture heel in shaded areas as shown in Figure 22.2.
having to repeat the test.
Wear protective gloves.
Infection and bruising.
Warm the foot before sampling.
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