Injections Flashcards
7 rights
medicine
dosage
patient
time
route
documentation
Frequency
triple checks
You must check when…
Obtaining the container
Before pouring the container
After pouring, before patient takes medication
Needle stick Injuries
Occurs when the skin is accidentally punctured by a used needle
Health care workers are at increased risk of needlestick injury
Blood borne diseases that could be transmitted include HIV, hepatitis B and hepatitis C
Barrel
holds medication
Flange
helps injection and prevents syringe from rolling when on flat surface
Plunger
movable cylinder used to draw medication into and out of syringe
Hub
screw onto top of syringe
hilt
attaches needle to hub
shaft
inserted into body tissue
lumen
opening in shaft of needle
bevel
makes narrow slitlike opening in skin
point
very sharp to penetrate skin
gauge
Range, between 18 and 27
Refers to diameter of lumen (how thick the needle is)
Large syringes use?
-Largest one is used to administer medication
-Used for medical treatment
Irrigating wounds
Drawing fluid from cysts
How is medical asepsis used when giving injections?
Use medical asepsis when administering medications (needle and inside syringe must remain sterile)
Reduce danger of microorganisms entering patient’s body
What is a cc and mL?
CC stands for cubic centimeter and mL stands for millimier, but they refer to the same amount of a liquid
To remove medication from vial
Inject amount of air equal to amount of liquid to be removed
Injected air makes the medication flow out easier
Advantages to injections
- Absorbed more rapidly and completely than PO meds
- May be only way drug can be given
Insulin, most immunizations - MAY BE REQUIRED WITH CERTAIN CONDITIONS
- UNCONSCIOUS PATIENT
- GASTRIC DISTURBANCE, NAUSEA AND VOMITING
Disadvantages to injections
- Risk of infection
- Pain
- To minimize pain of an injection, insert and withdraw needle quickly and smoothly, with draw needle at same angle as that of insertion
Possibility of infection at injection site
Intradermal (top of skin)
10-15 degree angle
Slowest absorption rate
Used for sensitivity test like allergy or TB because reaction is easily visible so close to surface of skin
Subcutaneous (fat)
45 degree angle
Absorption is slow
Use 1 inch needle or smaller
1cc or less of medication
Gauge is 25-27 (small)
Intramuscular
Absorption is faster
Use 1 inch needle or bigger
Can use more than 1 cc of medication
Gauge is bigger
Aspirate before injecting
