Parenteral meds study guide

name the parts of a syringe

syringe sizes

0.5 mL to 60 mL

What is a commonly used size for syringes?

3 cc

How are insulin syringes calibrated?

in units, usually U-100

How are tuberculin syringes calibrated?

hundredths of a milliliter

What volumes can a tuberculin syringe be used for?

< 1 mL

How many doses can prefilled syringes be used for?

one

luer lock

needle is twisted to lock in place

non luer lock

needle slips into tip

carpuject

holds prefilled cartridge-needle units

name the parts of a needle

range of needle lengths

1/4 to 3 inches

the smaller the gauge number, the ________ the needle opening

larger

after injection, should you recap needle after injection?

no

What safety measures should you take when administering medications via syringe?

label syringe
carefully locate size
use appropriate volume
monitor patient

vials

plastic or glass containers that hold one or more doses of medication in powder or liquid form

When administering an injection, what should you do first and throughout?

perform six rights and three checks, and six essential steps

Before administering the ampule, what should you do to make sure the medicine is ready?

lightly and quickly tap the top of the ampule until the fluid moves out of the neck

How should you open an ampule?

place a small gauze pad or unopened alcohol pad around the the neck of the ampule and snap it firmly away from you.

how should you dispose of the ampule top?

in a sharps container

What kind of a needle should you use to get medication out of an ampule?

a filter needle long enough to reach the bottom

How should the ampule be positioned when you draw up medication from an ampule?

it should be resting on a flat surface or held upside down

how should the filter needle be inserted into the ampule?

without touching the rim

how should medication be drawn into the ampule?

pull back on plunger to aspirate medication, and tilt ampule as needed to keep tip under surface of medication

How should you expel bubbles from the ampule?

remove needle from ampule, hold syringe with needle up, tap side of syringe to make bubbles rise toward needle. Draw back slightly on plunger and then push to eject air. Do not eject any fluid

What should you do if the syringe holds excess fluid?

hold the syringe with the needle up and slanted slightly towards the sink. Slowly eject fluid into sink.

How should you recheck fluid level?

by holding syringe at eye level vertically

Is the filter needle used to administer medication to the patient?

no, it is NEVER used to administer medication into the patient. You must change the needle to the appropriate size

what are the appropriate sites for intradermal injections?

inner forearm and upper back

what type of syringe is used for intradermal injections?

inner forearm and upper back

what length needle should be used for intradermal injections?

1/2 inch

What is the appropriate gauge for intradermal injections?

27-30

What is the angle of insertion for intradermal injections?

5-15 degrees

What types of syringes are used for subcutaneous injections?

hypdermic, tuberculin

What is the length of subcutaneous needles?

5/8 in to 1/2 inch

What gauge are subcutaneous needles?

27-25 gauge

What is the maximum volume of subcutaneous needles?

children 0.5 mL adults 1.5 mL

what is the insertion angle of subcutaneous needles if 2 in of skin can be pinched?

90 degrees

what is the insertion angle of subcutaneous needles if 1 inch of skin can be pinched?

45 degrees

When injecting from a vial, what should you do to ensure asepsis from the vial?

firmly and briskly wipe the rubber seal

What should you do before you start to draw up medication from a vial?

inject air into the vial's airspace by pressing firmly to overcome the pressure in the vial

what are intradermal injections typically used for?

skin testing

Where are intradermal medications injected?

into the dermis

Where can intradermal injections be administered?

inner forearm and upper back

What are the six essential steps in administering parenteral medications?

1. identify patient
2. inform the patient
3. perform 3rd check
4. administer drug
5. document administration
6. Evaluate for effectiveness and side effects

What equipment do you need for a subcutaneous injection?

medication (first check)
syringe
needle
alcohol wipes
gloves

What needs to be labeled on syringe?

patient name, medication and dose

what must be recorded in the appropriate place on the mar?

name of drug
dosage
route
site
time
nurse's name

What should you avoid to make it easier to interpret skin reactions in intradermal injections?

areas with bruises, inflammation or edema

What is the ideal site for intradermal injections?

3-4 finger widths below antecubital space and one hand above wrist

if you can't use the forearm for an injection, where else can you administer a subcutaneous injection?

site on upper back or subcutaneous injection site

how should the site for an intradermal injection be cleaned?

with an alcohol swipe, beginning at the center and spiraling out for about 2 inches

subcutaneous injection sites

Before injecting air into the vial, what should you do to promote asepsis?

use an alcohol swab to firmly and briskly wipe the rubber seal, and then let it dry

Before drawing up medication from a vial, what should you do first?

inject a volume of air equal to the volume of medicine you want to dispense

What should you do if any air remains at the top of the syringe after you have "tapped out" the bubbles?

you should inject it back into the vial

Six rights

Time Medication Dose Route Client Documentation

Three checks

compare medication with mar before dispensing
compare medication with Mar as medication is being removed from container
check medication one last time at bedside before dispensing

Six essential steps

identify the patient
inform the patient
perform 3rd check
Administer drug
document
evaluate effectiveness, side effects

Which way is the bevel pointing in intradermal injections?

bevel pointing up

What is the ideal site for intradermal injections?

a site three or four finger widths below the antecubital space and one hand above the wrist

If you can't use the forearm for an intradermal injection, where can you inject instead?

upper back, subcutaneous injection site

How much of the needle should enter the patient's skin in giving intradermal injections?

about 1/8th of an inch

After administering a tuberculin skin test, what should you do so that you can identify the patient when you read the test?

circle the injection site

how do you locate the deltoid injection site?

locate site by measuring 2-3 fingerbreadths below the acromion process on the lateral midline of the ar

How do you locate the vastus lateralis injection site?

locate by identifying greater trochanter and lateral femoral condyle. Injection site is middle third and anterior aspect of the thigh

locating ventrogluteal site

Ventrogluteal: Locate site by placing the hand with heel on the greater trochanter and thumb toward umbilicus. Point to the anterior iliac spine with the index finger (forming a "V"). Injection of medication is given within the "V" area.

If the fluid volume of the IM injection is 0.5 to 1.0 mL, which site should you use?

deltoid

What needle length should you use in the deltoid?

1

What gauge should you use when administering an IM in the deltoid?

23

What position should the patient be in for a deltoid muscle injection?

sitting, standing, supine or prone

Which arm should you administer in when giving an IM deltoid injection?

non-dominant arm when possible

What is the safest IM injection site for all adults and children?

Ventrogluteal

What volumes are appropriate for the ventrogluteal site?

1-3 cc

What needle length should you use for a ventrogluteal injection in an average adult?

1.5

If you are giving an injection to a child, what needle lengths should you use for ALL injections?

5/8 to 1 inch

What position should a client be in for a ventrogluteal injection?

supine lateral position

What gage is appropriate for anterolateral thigh (vastus lateralis)

22-25 gauge

What needle length is appropriate for vastus lateralis?

1.5

What position should a client be in for an injection into the vastus lateralis

supine or sitting postion

What size syringe should you use for intramuscular injections?

3 cc

What should you do if the dose ordered for an adult is over 5cc?

divide it

What should you do if the dose ordered for a child is over 3cc?

divide it into smaller doses

What should you do to prepare the skin for an IM injection?

pull it taut

How should you clean the skin before an IM injection?

in a circular motion

What angle should the IM needle be inserted in?

90 degrees

What MUST be done before injecting medication in a patient?

aspirate and observe for blood

After administering IM, what should you do?

remove needle quickly, gently apply pressure to site with a dry, sterile 2x2 gauze

You should NEVER ________ the injection site

massage

Why is the Z-track method used?

used to prevent backflow of medication into subcutaneous tissue

Why should you change the needle between drawing up medication and injecting it into client when using Z-track method?

to prevent tissue staining or irritation

Describe the Z-track method

displace skin laterally to one side before inserting needle, insert at 90 degrees and aspirate, administer if no blood is present, withdraw needle and release skin

In infants and young children you should never give an injection greater than

1 mL

What factors affect which IM site chosen by the nurse?

age
level of activity
frequency of injections
general condition
medication
volume to be given