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The best PHLEBOTOMY powerpoint presentation
Phlebotomy is the procedure of inserting a needle into a vein to collect blood for laboratory testing. It involves selecting a suitable vein, such as the median cubital or cephalic veins in the arm, applying a tourniquet, cleaning the skin with antiseptic, inserting the needle at a 30 degree angle, collecting the blood into tubes, removing the tourniquet and applying pressure to stop bleeding. Factors like patient identification, tube type and order of draw, mixing of tubes, and sources of error must be considered to obtain accurate test results and avoid complications.
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The best PHLEBOTOMY powerpoint presentation
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- 2. PHLEBOTOMY A procedurein which a needle is inserted in a vein to take blood, usually used for laboratory testing Also known as venipuncture or blood draw Can also be done to remove extra red blood cells from the blood for treatment of certain blood disorder
- 3. MATERIALS Safety needles– gauge 22 or less Butterfly needles – gauge 21 or less Blood collection tubes Tourniquet Cotton / gauze Plaster/ bandaid Sharp container 70% alcohol for disinfection Gloves Hand sanitizer
- 5. ORDER OF DRAW CAPCOLOR TUBE TYPE DETERMINATIONS MIX BY INVERSION BLUE SODIUM CITRATE COAGULATION STUDIES, D-DIMER, INR 3-4 TIMES RED PLAIN SEROLOGY, CHEMISTRY 5-6 YELLOW SST CHEMISTRY, SEROLOGY, IMMUNOLOGY 6 GREEN HEPARIN CHEMISTRY 8 PURPLE EDTA HEMATOLOGY 8-10 GRAY FLOURIDE GLUCOSE, LACTATE 8-10
- 7. Labeling of collectiontubes Place the label flat and straight covering the blank label on the tube that comes from the manufacturer, with the name on top Avoid bumps for easy scanning of the barcodes Patient’s name Hospital ID number
- 8. SELECT A SUITABLESITE FOR VENIPUNCTURE Antecubital fossa – where the arm bends at the elbow Preferred vein: Median cubital vein Not preferred but CAN be used Cephalic vein (movable/tendency to roll) Should NOT be used Basilic vein (lies close to brachial nerve and artery) Hand and wrist veins: Can be used when a suitable arm vein cannot be located (Caution: Possible nerve damage can occur at wrist: symptoms include shooting pain, severe or unusual pain, tingling or numbness, onset of tremor)
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- 10. Difference between arteriesand veins: Arteries are more elastic than veins and have thick, rough wall Veins do not pulsate, arteries do Venous blood is dark, arterial blood is bright red The most suitable veins (Median cubital and cephalic veins are most commonly used. They are fuller, larger and fixed) If the suitable vein is not readily apparent even after tourniquet application consider doing any of the following: Massage the arm, from wrist to elbow ; remove the tourniquet and ask the patient to keep the arm in hanging position
- 11. Procedure: Patient comfort. Isthe seating comfortable and has the patient been seated for at least 5 minutes to avoid being rushed or confused? Carry out hand hygiene before and after each patient procedure, before putting on and after removing gloves. Identify the patient using two different identifiers, asking open ended questions such as, "What is your name?" and "What is your date of birth?" Assess the patient's physical disposition (i.e. diet, exercise, stress, basal state/hours of fasting). Check the requisition form for requested tests, patient information, and any special requirements.
- 12. Recognize complicationsassociated with the phlebotomy procedure. Hematoma, Fainting (most common) Assess the need for sample recollection and/or rejection. Safely discard potentially infectious materials. Promptly send the specimens with the requisition to the laboratory
- 13. FACTORS TO CONSIDERWHEN SELECTING THE VEIN SITUATION ACTION IV Use opposite arm Fistula Draw from opposite arm Sclerosed veins Select another site Hematoma Draw below Edema Select another site Scars, burns, tattoos Select another site Mastectomy Draw from opposite arm Patient refused Try to persuade. If unsuccessful, never draw without consent
- 14. Apply thetourniquet around the arm - makes vein more visible Ask patient to make fist Vein is felt by palpation (if not visible) and an appropriate site for puncture is selected Cleanse the skin with antiseptic Use the thumb to draw patient’s skin taut and anchor the vein Insert the needle keeping the beveled side up at 30º angle or less As soon as the blood enters the hub of the needle, the blood is sucked into the vacutainer. In case of the syringe, the plunger is pulled back slowly to allow the filling. When appropriate amount is drawn and it’s about to complete, remove the tourniquet The needle is drawn from the vein and pressure is applied to the puncture site to stop bleeding. A bandage may be applied Venipuncture
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- 16. PHLEBOTOMY SOURCES OFERROR ERROR POSSIBLE EFFECT Misidentification of patient Treatment error Possibility of transfusion fatality Drawing at incorrect time Treatment error if samples for certain tests aren’t drawn at appropriate time (e.g., analytes are affected by recent eating /drinking Improper disinfection Infection at site of puncture Contamination of blood cultures and blood components Isopropyl alcohol wipes can contaminate samples for blood alcohol Drawing from edematous site Dilution of sample with tissue fluid Fist pumping during venipuncture K+ , Lactic acid, Ca++ , Phosphorus, pH
- 17. Sources of errorscont…. ERROR POSSIBLE EFFECT Tourniquet > 1 min K+. Total protein, Lactic acid, glucose, protein based analytes such as cholesterol IV fluid contamination Glucose, Electrolytes (depending on IV) Expired collection tubes Vacuum, Failure to obtain specimen Incorrect anticoagulant or contamination from incorrect order of draw K2EDTA before serum or heparin tube: Ca++, Mg++, K Contamination of citrate tube with clot activator: erroneous coagulation results Failure to hold bottom of tube lower than top during collection Carryover from one tube to another Possible additive contamination Short draws Incorrect blood anticoagulant ratio affects some results Inadequate mixing of anticoagulant tube Micro-clots, fibrin, platelet clumping can lead to erroneous results
- 18. Sources of errorscont…. ERROR POSSIBLE EFFECT Hemolysis from alcohol contamination, vigorous shaking of tubes, exposure of samples to extreme temperature K+, Mg++, LD, Iron Quick Review Cards for Medical Laboratory Science, Second Edition, Valerie Dietz Polansky, Med, MLS(SCP)
- 19. REFERENCES: http://lug.hfhs.org WHO Guidelines ondrawing of blood: best practices on phlebotomy https://webpath.med.utah.edu/TUTORIAL/PHLEB/PHLEB.html Quick Review Cards for Medical Laboratory Science - Second edition Polansky, Valerie Dietz https://www.labce.com
- 20. Let’s do itright this time! Thank you!