IM/Subcutaneous injection Flashcards
Why give a SC injection?
Slow continuous absorption of drug
May be the only access point in a pt
What injections are SC
Insulin
Heparin
Vitamin B
Some inoculations
Volume of SC injection
0.3-1ml
Risks/complications of subcutaneous injections
Allergic reaction
Site pain (numerous nerves)
Accidental IM administration
Repeated site use / fibrosis
Why IM injection
Rapid absorption into circulation
Maximum IM injection amount
5ml (in rectus femoris)
Finding a good place for IM
Upper quadrant of buttock
Find greater trochanter, put finger up straight, spread next finger and inject between the knuckles
Degree of needle insertion IM
90 degrees
IM complications
Infection Sciatic nerve damage Bleeding (Z tracking technique reduces risk of this) Injection fibrosis (repeated site use) Pain Risk of IV administration
SC after care
DO NOT rub
Let someone know if it’s red/changes
Colour of needles for SC/IM
SC - orange
IM - green or blue (ideally blue)
Do you aspirate with IM and SC infections?
Only IM !!