Peripheral Venous Cannulation

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Peripheral Venous Cannulation

  1. 1. INTRA VENOUSCANNULATION<br />
  2. 2. EQUIPMENT<br />Tourniquet<br />Gloves<br />Hazardous material container<br />Alcohol swab<br />Gauze or cotton<br /> 5-ml syringe with saline<br /> Cannula<br />Vecafix™ (or similar approved IV dressing<br />
  3. 3. METHOD<br />Tell the patient who you are and what you are going to do.<br />Attach the tourniquet to the upper arm.<br />Examine and palpate the arm for a vein. Look at– the back of the hand – common site but can be fragile and mobile in elderly– the ante cubitalfossa will always have a vein but might be uncomfortable for the patient– the anatomical snuffbox at wrist<br />
  4. 4. Swab the selected vein.<br />Anchor the vein and insert the cannula at a 30° angle to the skin (Fig. 2). Advance until you feel give in the vein wall.<br />Watch for flashback at the base of the cannula.<br />Pull back the needle part of the cannula (the stylet) 1–2 mm and watch blood flow into the plastic tubing.<br />
  5. 5. Slide the needle back while advancing the cannula into the vein.<br />Remove the needle completely and place the cap on the end of the cannula.<br />Dispose of the needle immediately. Tape down using Vecafix™.<br /> Flush with 5 ml normal saline.<br />
  6. 6. Fig. 2 Cannulation of a vein. Ensure that the stylet and cannula have entered the vein (A) before withdrawing the stylet and advancing the cannula (B).<br />
  7. 7. HINTS AND TIPS<br />After putting on the tourniquet, ask the patient to drop the hand by the side and to clench and unclench the fist. Do something else in the meantime (e.g., draw-up your saline, open up the cannula).<br />If you cannot feel a vein in one arm, do not attempt to go in blind – stop and review the other arm<br />
  8. 8. If you still have no luck, ask the patient to put both hands in some warm water to help vasodilation<br />If you become really desperate, try sticking GTN patches to the antecubital fossa veins<br />Foot veins are sometimes used, but this can be painful for the patient and should only be used as a last resort<br />
  9. 9. Cannula sizes<br />
  10. 10. THANK YOU<br />

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