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venipuncture

rad patient care

TermDefinition
hematoma mass of clotted blood
Parenteral route' is intravenous (IV) considered
'flash back' with an angiocath appearance of blood in the hub of the needle indicating venous access
When should veins in the legs or feet be used for venipuncture? only as a last resort with physician approval
tourniquet is placed 5 to 6 inches above the venipuncture site
pull the skin taut before inserting the needle helps anchor the vein so it is less likely to roll
latex tourniquet NOT be desired when setting up for a venipuncture
antecubital fossa preferred site for venipuncture
springy and spongy vein feel
cephalic located on the thumb side of the arm
median cubital least likely to roll
differentiates arteries from veins a pulse in the arteries; no pulse in the veins
basilic least firmly anchored vein
basilic vein closest to the median nerve which could cause permanent injury
median cubital vein vein of choice for venipuncture due to it's size
damage to the median antebrachial cutaneous nerve most critical permanent injury that can be caused by the venipuncture
used to enhance the prominence of veins - tapping the antecubital area with the index finger - massaging the arm upward from the wrist to the elbow - breifly hanging the arm down
tourniquet is tied too tightly ppearance of small, reddish discolorations on the patient's arm and blanching of the skin around the tourniquet
What is an ampule sealed glass drug container for one use
shallow of an angle and has only partially entered the lumen of the vein, how could you correct the problem to obtain blood 'flash back'? slowly advance the needle into the vein
needle was inserted at too steep of angle and has passed through the vein, how could you correct the problem to obtain blood 'flash back'? gently pulling the needle back into the vein
Of the three veins located in the antecubital area, which one is the vein of choice for venipuncture? median cubital
extravasation Fluid escaping from a vessel into the surrounding tissue that can potentially cause tissue necrosis
Angiocaths are safer devices for venipuncture compared to other systems because the needle is removed through a protective sheath system
Created by: user-2045722
 

 



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