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29 Cards in this Set
- Front
- Back
- 3rd side (hint)
sites for capillary puncture
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ring finger, great finger and lateral sides of the heel on infants
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great finger aka middle finger
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purpose of a capillary puncture
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tests for things like glucose, PKU's on infants
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when is a capillary test not appropriate?
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when the patient has calloused, bruised or injured fingers
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how far should the lancet penetrate the finger?
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about 2mm into site
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which direction should the lancet enter the skin?
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across. for a better blood flow and specimen.
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steps of capillary puncture
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1. disinfect site with alcohol
2. wait for it to dry 3. squeeze the fleshy part of the finger to avoid hitting the nail or bone |
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2nd half steps
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4. press down firmly across finger
5. dispose of lancet and wipe away the.first drop if blood w a cotton ball. 6. use a capillary tube to take the rest if the blood 7. give the patient a cotton ball to apply pressure |
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what is the surgical puncture of a vein?
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venipuncture. aka phlebotomy
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what is the most common site for a blood draw?
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antecubital at the inner bend of the elbow
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for a difficult blood draw what do you do?
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use the back of the palm
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what do tourniquets promote?
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palpation and visual of the vein
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what allergies should you ask about before the procedure?
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latex and bandage adhesive
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where does.the.tourniquet go?
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3 inches above intended site
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leave a tourniquet on no longer than?
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1 minute
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when should you as a patient to clench.their fist?
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if the vein does not stand out
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gauge needle generally used
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21-23 gauge. 21 is larger
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what angle should tip be.inserted at?
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15°
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sterile needle and syringe is used when?
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when a patient has small veins usually a 10-20 ml syringe is used
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if a patient faints
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remove tourniquet first and use spirits of ammonia
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hemolysis
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breakdown of blood cells if blood is being forced into the tube
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hematoma
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a bruise
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red stopper tubes
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range from 3-5 mL
used for whole blood collection and allowed to clot after clotting, blood is spun and serum poured off |
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red/black stopper
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SST separates red cells from serum
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lavender stopper
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EDTA from 5-10 mL used in whole blood collection
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gray stopper
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oxylate 5 mL used in blood glucose test
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blue stopper
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5 mL used for testing prothrombin times and must be completely full due to large amounts of CITRATE
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green stopper
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contains heparin. 5 mL used to determine several chemical constituents
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order of draw
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yellow
red or red/black blue green lavender gray |
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documentation
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date collected and sent to lab and received result
test results only if in house tests requested name. dob. records number. |
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