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Venipuncture

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Submitted By charliegomboc
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In medicine, venipuncture, venopuncture or venepuncture is the process of obtaining intravenous access for the purpose of intravenous therapy or for blood sampling of venous blood. This procedure is performed by medical laboratory scientists, medical practitioners, some EMTs, paramedics, phlebotomists, dialysis technicians and other nursing staff.

Do’s & dont’s in IV THERAPY: Always start with the distal veins. Avoid the use of the veins of the lower extremities Use patient’s non-dominant arm if possible Avoid the vein of the surgically compromised limb. Choose the vein above the areas of flexion.
Use the shortest and the smallest gauge possible to fulfill the IV indication. Select the vein that is large enough to allow adequate blood flow( esp. for irritant solutions- causes pain). Allow the blood to flow even with the catheter.
Always choose soft, full and unobstructed vein when available. Practice aseptic technique and use gloves ( not sterile) for protection from diseases. Remember that IV is a high risk invasive procedure.

KEY FACTORS IN THE PREPARATION OF THE DEVICE OR EQUIPMENT:
1. Integrity of the infusate.
• Check clarity, check expiry date & lot #
• Hang IV bag near the light for better visualization
• Check if seal is not broken
2. Functionality of the equipment/device
• Periodic check is required for accurate calibration
• Include IV stands (height of IV is 36-46 inches from the bed of the patient)
3. Compatibility of the cannula, infusion set, infusate drugs (universally compatible)
4. Patients preferences (patients request prior to IV insertion – e.g. going to the rest room)
5. Cost effectiveness
• Not all expensive are good /effective
• IV’s should have a dressing on the puncture site since this can be a portal of entry for infection
• Nurse should master her IV technique
Bibliography: http://en.wikipedia.org/wiki/Venipuncture

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