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blood collection

ch 43 blood specimen collection

Skin/finger/heel puncture is called Capillary puncture
Capillary puncture is used for tests that require a small amount of Blood
Tests that can be done using capillary blood samples Hct;Hgb;blood sugar;cholesterol;PT
Sites for capillary puncture on children/adults ring or great finger
Sites for capillary puncture on infants lateral sides of the heel
Device used for capillary puncture lancet
Depth of lancet 2mm
Surgical puncture of a vein is called phlebotomy or venipuncture
Person trained to perform venipuncture phlebotomist
Most common sites for venipuncture Basilic;cephalic;median cubital veins
The basilic, cephalic and median cubital veins are found in the inner arm at the bend of the elbow
The inner arm at the bend of the elbow is also referred to as the antecubital space
Site you can use for difficult draws or children Back of the hand
Tourniquets are used to promote palpation and visualization of veins
Tourniquets are made of latex or latex-free rubber
Apply the tourniquet how many inches above the intended site three inches
NEVER leave the tourniquet on for longer than one minute
An alternative tourniquet if patient is a difficult draw blood pressure cuff
How should you prepare the patient prior to venipuncture explain procedure and answer any questions
When choosing a site use the fingertip of the idex finger to palpate the vein
Veins have some give when depressed which is called elasticity
Most popular method of venipuncture Vacuum tube and sterile needle
Gauage of the needle being used should be large enough for blood to flow through without causing hemolysis
Blood specimen enters directly into blood tubes
Blood that leaks from the vein collecting under the skin is called a hematoma
Venipunture method used for difficult draws,pediatric patients, top of hand Butterfly needle
Patients should be doing what prior to venipuncture to ensure safety sitting or lying down
If a patient faints, what should you do first remove the tourniquet
Created by: clarevoyant1019