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11 Cards in this Set

  • Front
  • Back
Venipuncture Indications:
-Any time that a sample of venous blood is necessary in quantities larger than those readily available by finger stick methods.
-next most important decision is the selection of the site.
Venipuncture Contraindications:
•Obvious areas of skin infection.
•Skin sites w/ scarring (burns, surgery, injuries/trauma, repeated venipuncture)
•Upper extremity on ipsilateral side of a mastectomy; affect test due lymphedema after lymphnode dissection.
• hematoma may produce erroneous test results; draw distal to the hematoma.
•arm with an IV; use opposite arm; If not possible, draw distal to IV; turn off IV line-2 mins. use vein other than the IV; The 1st 5-ml draw and discard.
•An arm w/ fistula/cannula in place or edematous, choose another site.
IV
Indiciations
• The administration of fluids (e.g., in clinical situations such as volume depletion, burn injury, blood loss, heat illness, shock electrolyte imbalance).

• The provision of rapid and efficient delivery of medications (e.g., in various medical and surgical states and emergencies).

• The administration of blood or blood products.
IV
Contraindications
• Venipucture should be avoided at the site of an active skin infection, due to the possibility of introducing bacteria into the blood circulation.
• IV lines should not be inserted distal to any area of preexisting thrombophlebitis.
• Lower extremity venipucntures should be avoided in elderly patients and those with peripheral vascular disease and venous insufficiency. These compremised veins will not be effective vessels for fluid or medication administration, and the veins may suffer further injury.
IV Rationale
• The choice of a vein for IV line insertion is based on the prescribed therapy, the duration of therapy, the condition of the extremity and the patient in general and the condition, size, and location of the veins.
Materials for IV

page 75-76
for venipuncture only page 52-53
*IV catheter or butterfly *Gloves and eye protection
*A topical antimicrobial to cleanse the skin *Intravenous fluid
*Administration set (tubing with a drip chamber, a roller clamp flow regulator, and a standard connector that fits into the hub of the cannula or butterfly needle)
*Tourniquet
*1/2-inch tape
*Arm board (if necessary to prevent flexion of a joint near the IV insertion point)
*Scissors to trim hair (if necessary)
*2-inch x 2-inch or 4-inch x 4-inch gauze bandages or other occlusive dressing.
*IV catheter pole *Biohazardous waste and needle containers
*Antibiotic ointment (optional)
4. Be familiar with the anatomy and physiology associated with IV insertion an Venipuncture. Pages 51 & 74.
.
5. Be able to perform an IV insertion and Venipuncture on a student-patient. Procedures on pages 53-59 and 76-81.
.
IV Contraindications:
• Obvious areas of skin infection.
• Skin sites that have extensive scarring (burns, surgery, injuries/trauma, repeated venipuncture)
• Upper extremity on the ipsilateral side of a mastectomy; may affect test due lymphedema after lymphnode dissection.
• hematoma is present, may produce erroneous results in certain tests; draw distal to the hematoma.
• An arm with an IV; it is essential to use the opposite arm . If not possible, draw distal to IV. turn off IV line for 2 mins. vein other than the IV The 1st 5 mls should be drawn and discarded
• An arm with a fistula or cannula in place or extremity is edematous, another site should be chosen.
INFO:
Additionally, patients w/diffuse intravascular coagulation, hyperfibrinolysis, thrombocyctopenia, or qualitative platlet disorders characteristically bleed for a long time after venipunctures.
.
INFO:
Rationale:
Venipuncture is defined as the collection of a blood specimen or other specimens from a vein for the lab testing of the blood sample.
The tests that are performed on blood offer many important and valuable parameters for aiding in the diagnosis of a variety of different diseases.
The integrity of the sample taken is dependent on using good technique, drawing from an appropriate site, and avoiding hemolysis or contamination of a sample.
.