Injections Flashcards
what size needle do you use for IM injections?
22-25 gauge
what do you need to consider when choosing the gauge needle?
viscosity of liquid being injected
where are you injecting it?
what length needle do you use for IM injections?
infant 7/8-1inch
adult 1-1.5 inch
what is the technique of an IM injection?
bunch the muscle between your fingers
what size syringe do you normally use for IM injections?
3cc syringe
what is the greatest risk of an IM injection?
hitting an artery, which causes a hematoma
which IM injection do you angle?
vastus lateralis
what do you have to be careful of when doing an IM injection in the dorsogluteal area?
presence of sciatic nerve and large blood vessels in this region
how do you approach a VG injection?
place finger tips on iliac crest while patient is in lateral decubitus position and inject in the V between fingers
what is the technique of doing an IM injection?
- swab with alcohol and LET DRY
- insert needle QUICKLY
- ASPIRATE to make sure there is no blood (if there is blood, CHANGE THE NEEDLE)
- inject meds SLOWLY
what temp should the injection be?
room temperature
what size needle is SC?
25-27
when do you use a SC?
water soluble and small volumes
which is the preferred site for heparin?
abdomen
what should you do with many SC injections?
rotate sites
why do you have to insert a SC injection at a 45 degree angle?
you want it near the muscle, but not in it
how should you inject a SC in an obese person?
90 degree angle
what is a Z track injection?
for injecting iron primarily (makes sure that liquid doesn’t get into SC tissue)
-pull skin taught and inject a tiny bit of air to prevent medicine from backing into SC tissue
why should you visualize both forearms in order to lay a TB test?
they may have a TB scar on one arm
why do you pull the skin taught when laying a TB test?
it will just push the skin if you don’t do this
how do you measure a positive TB wheal?
the area of induration, not the redness
