Capillary Puncture
3rd or 4th finger for adults, heel stick for infants; Lancet cut across ridges; hold the tube
horizontal when filling. Don't sqeeze finger too tightly or milk the finger. Wipe off 1st
drop.
The vein can collapse
If you pull on the plunger of the syringe too hard or too quickly during a draw or you use
too strong of a vaccum for the vein, this can happen...
Anticoagulant
An agent used to preven blood clotting and to keep the specimen whole blood
Red top
NO ADDITIVE --- Clot Forms ----Serum used for Chemistries, Electrolytes, Thyroids
(TSH, T4), Hormone, Liver, Kidney, Lipid stuidies, CMP, BMP.
Tiger top
Aka Red/Gray top: Clot activator additive - Clot Forms - SERUM STUDIES
Lavender top
EDTA additive - No Clot - WHOLE BLOOD for: Complete blood count (CBC), Blood
smear, Blood banking (ABO/Rh), ESR, HCT, Hmg,Glyco Alc ***Must be filled
sufficiently and inverted (gentle rocked) several times***
Gold Top
Clot activator additive - Clot Forms - SERUM Studies
Grey top
Sodium Fluoride/Potassium oxalate - Glucose, Alcohol, FBS
Light blue top
Sodium citrate additive - No Clot - Used for coagulation studies (PT, PTT) ***Tube
must be filled to the proper level and inverted (gentle rocked) several times***
Wipe away the first drop
We do this to remove tissue juices, skin cells, alcohol, contaminates, avoid activating
clotting process, avoid producing incorrect results, avoid diluting specimen.
The basilic, cephilic, and the median
What veins are in the antecubical area?
Hemoconcentration
This is the increase of the cellular/solid elements in direct ratio to plasma This can be
caused by "pumping of the fist" and begins after the tourniquet is left on longer than 1
minute.
Provodine/iodine
Agent used on the skin to sterilize the area.
Tourniquet
Elastic device used ti restrict blood flow to distend veins for phelbotomy.
Wing infusion set
Aka butterfly - for small or fragile veins or difficult veins
Erythrocytes, leukocytes, and Thrombocytes (Platelets)
The solid portion of blood contains:
Plasma