INJECTION Flashcards
Involves giving medications through injection into body tissues ; absorbed more quickly than oral ; irretrievable once injected
parenteral medications
is used for every small dosages
minim
is the one normally used scale for injection
milliliter
originally designed to administer tuberculin ; small or precise measurement is indicated ; 0.5 and 1ml
tuberculin syringe
can be prepared by withdrawing the medications from an ampule or vial into a sterile syringe, using prefilled syringes, or using needleless system.
injectable medications
is the administration of a drug into the dermal layer of the skin beneath the epidermis ; stretch skin taut ; needle is 10-15 degrees ; ventral forearm, scapula, upper chest ; allergy testing and TB screening
intradermal (ID)
what are the 4 parenteral medications
intradermal
subcutaneous
intramuscular
intravenous
what are the 3 parts of a needle
hub
shaft
bevel
the smaller the number, the __ the gauge (inside diameter)
larger
what are the 4 parts of a syringe
needle
hub
barrel
plunger
glass or plastic container that is sealed and sterile
(open with care
ampule
small bottle with rubber
diaphragm that can be
punctured by needle
vial
Provides slow, sustained release and longer duration of action ; Rotate sites
subcutaneous injection
More rapid absorption ; Less irritation of tissue ; Larger amount of drug ; Z-track method
intramuscular injection
Not usually given by medical assistants
inravenous
administered into the fatty layer of skin
directly below the dermis and epidermis. ; administering vaccines (measles, mumps, rubella) and medications (insulin, morphine, di-acetyl morphine, and goserelin) ; 45 degree angle
subcutaneous injection
types of syringe for subcutaneous injection
insulin
tuberculin
this syringe holds maximum of 1ml of medicine ; markings from 10-100 ; marking at 100 is the same as 1ml
insulin syringe
this syringe holds up to 1ml od medicine ; needle that is slightly longer than an insulin syringe ; marked every 0.1 ml
tuberculin syringe
in lean older patients with less tissue and
obese patients with more tissue, the syringe
should be held at more of a __ angle
90 degree
Typical needle is 22- to 25gauge ½- to 1-inch
needle ; administered at a 90 degree angle ; volume limited to less than 3ml
intramuscular injections
In adults, IM injections are given into upper, outer
portion of the
gluteus maximus
For children and some adults, IM injections are
given into the __ muscles of the shoulder
deltoid
it is used to administer antibiotics, vitamins, iron, vaccines ; absroption is unpredictable and not recommended for those who unconscious of in a shock like state
intramuscular injection
locate the acromian process
place a finger on process and
measure 3 fingerbreaths down.
deltoid site
mostly used for infant. Supine
position. Divide the thigh into
third. Middle third give the
injection.
vastus lateralis
place the palm of your hand on
greater trochanter the index
finger on anterior superior iliac
spine and middle finger pointing
toward iliac crest
ventro gluteal
Never used for infants and small
children. Because of sciatic
nerve. Landmark is posterior
superior iliac spine and greater
trochanter. Find the centre and
give injection
dorso gluteal
