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anemia
chronic low blood count
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butterfly
method used on infants, children and adults with small veins
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vacutainer
routine bloode drawing method
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syringe
method used on patients with difficult veins like cancer patients, except children because it can collapse a vein
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inner elbow
primary location for venipunctures
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serum only
used for tests the require blood to clot
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capillary
blood drawing method that pricks the finger
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esr
test to determine how quick blood cells settle in a tube
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bevel
slanted end of needle facing up when used for venipunture
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gold top tube
separating gel with clot activater
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light green tube/green tube
heparin
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plain red tube
no additive, blood clots (serum)
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red spotted/tiger tops
serum separating gel
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black top
sodium citrate, used for sed rate
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orange top
thrombin/stat serum testing
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perservatibe tubes
have chemical agents inside the tubes that keep blood from clotting
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Non perservative tubes
allows blood to clot naturally
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light gray top
contains Sodium Fluoride and Potassium Oxalate to prevent clotting
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light blue top
contains sodium citrate to perform coagulation tests (plasma)
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Yellow top
Contains Acid Citrate Dexatose
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Gold top
Has a serum seperator/ no preservative (serum)
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Red top/tiger top/ and gold top
are the only one that can get serum
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order of blood draw
- yellow
- light blue
- red
- green
- lavendar
- gray
- black
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cappilary puncture
fingerstick, few drops of blood needed for testing
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prevent illness or worsening of illness/confirm diagnosis/ research stat, employment/ detect asympptomatic conditions/differntiate between two or more diseases/ track treatment
purpose of venipuncture
-
portion of the needle with a slanted blade used to puncture skin for blood draws
bevel
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capillaries
small blood vessels
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shaft
slender tube on the needle that is the passage way for blood to exit the vein to the tube during venipuncture
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hematoma
collection of blood just beneathe the skin
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hemolysis
rupture of red blood cells during venipunctue
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23 g
very small , not often used causes hemolysis
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22g
small, used for pediatrics
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21g
most common size used for venipunctue
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20 g
larger size ok for venipunctures
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18g
larger size used for blood banking
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parts of a needle
bevel, shaft, hub, rubber sleev covering needle
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