مصادر الخطأ عند السحب من الوريد

Venipuncture - Sources of Error

1. Improper equipment/tube selection
2. Not properly identifying the patient
3. Failure to observe isolation and dietary restrictions
4. Leaving the tourniquet on for too long a period
5. Failure to dry the phlebotomy site before venipuncture
6. Insertion of needle with bevel down
7. Insertion of needle - too deep or too shallow
8. Performing a venipuncture above an IV line
8. Choosing an unacceptable area for the venipuncture
9. Drawing the tubes in the wrong order
10. Applying insufficient pressure to venipuncture site
11. Incomplete filling of the tubes
12. Hemolysis of specimen due to active shaking of tubes or difficult phlebotomy
13. Failure to release tourniquet before withdrawal of needle
14. Tubes not labeled properly
15. Neglecting to observe correct sample handling
16. Incomplete paperwork - neglecting to put date, time and initials on requisition and tubes
17. Specimens not transported to lab in timely manner
18. Failure to show professionalism and observe patient confidentiality

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