Mod 3 - Pt Preparation Flashcards
what should be on the lab requisition form
- pt full name
- pt DOB
- pt sex
- specific identification/medical record number
- tests ordered
in addition to the most basic info, what may be on the lab requisition form
- specific precautions/concerns
- date & time of collection
- billing info
- diagnostic coding
- specific preparations/restrictions prior collection
- priority
define FASTING
not eating or drinking anything except water for generally 8-12 hours
define BASAL STATE
condition of rest and fasting for at least 12 hours and typically in the morning upon waking
if a facility does not use pt labels, what should be recorded on the blood tubes
- date & time of collection
- your initials
- pt full name & DOB
- other specific indicators
the timing of an individual’s basal state is based on when they
wake up
what questions should be asked before venipuncture
- any allergies (specifically latex)
- have you eaten/drinken anything
- have you taken any medications
- do you faint at the sight of blood
- arm preference
what should be done when a pt feels faint
- stop procedure
- have pt lower head & take deep breaths
- loosen any tight clothing around the enck
- apply a cold compress on forehead or back of neck
how long should be a pt be observed for if they faint/feel faint
15 min
what can be done when anticipating for a fainting episode
lock arm of phlebotomy chair
acetaminophen can falsely
elevate levels of liver enzymes
some blood pressure meds can affect
glucose, sodium, and potassium levels
how can alcohol affect blood results
affect coagulation activation and platelet reactivity
alcohol can affect coagulation activation and platelet reactivity especially in pts with
diabetes mellitus
t/f: chewing gum can affect fasting blood results
true
the effects of smoking on blood are
elevation of several coagulation factors
vigorous exercise can cause
coagulation activation
how long should a pt rest before venipuncture if they exercised recently
15-30 min
what are some complications of venipunctures
- excessive bleeding/bruising
- hematoma
- severe pain/lack of sensation
- infection
what should be done if gauze becomes soaked with blood after venipuncture
apply pressure and ice until pt further evaluated by provider
if a pt experiences severe pain, numbness, or tingling in the venipuncture arm, this may indicate
nerve damage
what may be used when the nerve was accidentally hit during a venipuncture but depends on facility policy
ice
t/f: hematomas can evolve info infections
true
hematomas may be referred to as
bruises
which vein has a higher incidence of nerve involvement
basilic vein
why are ankle and foot veins the last choice veins
difficult to access, easy to injure, often painful
blood should never be collected from the ankle/foot if the pt has
diabetes mellitus or peripheral vascular disease
what should be done if a vein cannot be palpated
have them place the arm below the heart
when an IV is involved, where should the blood be drawn
above catheter insertion site
blood should not be drawn from an arm that has ____ bc it can compromise circulation and damage it
arteriovenous fistula/shunt for hemodialysis
blood should not be drawn from an arm that has ___ bc it can be damaged
central venous access device
blood should not be drawn from arm on the same side as a recent ____ bc it can cause swelling, injury, or infection
mastectomy