Med Admin II Flashcards
Type of Injection:
Used with irritating
preparations as iron and Vistaril
Z track
IM
Preferred method for all IM injections.
Z track
Anatomical Site:
Ventrogluteal sites
Z track - IM
Landmarks & Injections
- Retract tissue laterally and hold while needle is in tissue.
- Inject drug slowly
- Wait 10 seconds.
- Pull needle straight out.
- Release skin to its normal position.
Z track - IM
Injection Angle/Needle Length
90 degree angle
Z track-IM
Considerations
- Always Aspirate
- Never Massage
- Use new needle after drawing medication into the syringe.
- Preferred method for all IM injections
Z track- IM
Anatomical Site
- Below top 2 layers of epidermis, e.e. stratum corneum and stratum lucidum.
- Anterior forearm
- Lateral & posterior upper arm
- Posterior chest
Intradermal
Landmarks & Injection
- Bevel of needle should be practically visible through the skin.
- Create a small wheal or bleb.
- Mark skin around wheal with indelible ink.
Intradermal
Injection Angle/Needle Length
- 5-15 degree angle.
- 27G or smaller
- 3/8” to 5/8” needle
Intradermal
Volume
0.01 - 0.1 mL
Intradermal
Considerations
- Avoid areas where clothing could irritate skin.
- Offers slowest absorption rate.
- Used for tuberculin skin test & allergy test
- Report hoarseness, wheezing
- Do not massage.
Intradermal
S.C. or s.q.
Subcutaneous
Anatomical Site
- Anterior thighs
- Abdomen from below navel to iliac crests, excluding midline.
- Outer aspects of upper arms.
- Flanks
Subcutaneous
Anatomical Site
AVOID:
1. Midline of body
2. Areas on body with skin or tissue abnormalities.
3. Bony prominence
4. Areas near nerves or large blood vessels.
Subcutaneous
Injection Angle/Needle Length
- 45-90 degree angle
- 25-27G
- 1/2” to 5/8” needle angle must be individualized depending on amount of subcutaneous tissue.
Subcutaneous
Volume
Usual: 0.5 to 1mL
Maximum 2mL
Subcutaneous
Special Considerations
- 45 deg angle is used when pt has very little SQ fat.
- 90 deg angle is used with most pts.
- Insert needle to the hub.
Subcutaneous
Special Considerations
- May pinch if pt is very lean or to stabilize tissue in area lots of SQ fat (“fluffy”). Try not to pinch small area for heparin injections.
- Don’t Massage or rub after - esp heparin!
Subcutaneous
Special Considerations
- Do NOT need to aspirate.
- After injection, wait a few seconds for medication to penetrate tissue, esp with heparin/lovenox.
Subcutaneous
Preferred IM site in clients 6+ yo
Ventrogluteal
Anatomical site: gluteus medius and minimus muscles
IM- ventrogluteal
Anatomical Site
- Palm of opposite hand on greater trochanter
- Index finger on anterior superior iliac spine.
- Spread middle finger posteriorly as far as possible along iliac crest.
- Check sponginess of muscle
- Inject in the triangle formed if adequate muscle mass.
IM - ventrogluteal
- 90 deg angle.
- 1”- 1.5” long
- 22-27G - usually 22G
- 18-25G if oil based meds
IM - ventrogluteal
Volume
1-3mL
Maximum 3mL
IM - ventrogluteal