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Chapter 6 - Special phlebotomy procedures. Upon completion of this chapter, you should be able to: Discuss why specimen collections should be drawn at specified times, name two tests that require fasting, describe various types of glucose tests, explain the purpose of bleeding time, | Booth, Wallace, and Fitzgerald PowerPoint ® Presentation to Accompany Phlebotomy for Health Care Personnel Chapter 6 Chapter 6 Special Phlebotomy Procedures Special Phlebotomy Procedures Chapter 6 Objectives Learning Outcomes Upon completion of this chapter, you should be able to:: Discuss why specimen collections should be drawn at specified times. Name two tests that require fasting. Describe various types of glucose tests. Explain the purpose of bleeding time. Identify standard protocol and procedure for blood donation. Chapter 6 Objectives cont’d Learning Outcomes (cont'd) Compare and contrast blood donation, therapeutic phlebotomy, and autologous donation. Discuss the precautions associated with blood alcohol testing. Differentiate between forensic and toxicology specimens. Explain the reasons for therapeutic drug monitoring. List other sites for blood specimen collection. Chapter 6 Timed Specimens Timed Specimens Laboratory requisition forms will indicate the . | Booth, Wallace, and Fitzgerald PowerPoint ® Presentation to Accompany Phlebotomy for Health Care Personnel Chapter 6 Chapter 6 Special Phlebotomy Procedures Special Phlebotomy Procedures Chapter 6 Objectives Learning Outcomes Upon completion of this chapter, you should be able to:: Discuss why specimen collections should be drawn at specified times. Name two tests that require fasting. Describe various types of glucose tests. Explain the purpose of bleeding time. Identify standard protocol and procedure for blood donation. Chapter 6 Objectives cont’d Learning Outcomes (cont'd) Compare and contrast blood donation, therapeutic phlebotomy, and autologous donation. Discuss the precautions associated with blood alcohol testing. Differentiate between forensic and toxicology specimens. Explain the reasons for therapeutic drug monitoring. List other sites for blood specimen collection. Chapter 6 Timed Specimens Timed Specimens Laboratory requisition forms will indicate the specific time at which a blood sample is to be drawn. Common Timed Tests Peak and trough medication levels Glucose tolerance tests Iron levels Hormone assays Cortisol levels Cardiac enzyme levels Chapter 6 Fasting Fasting Fasting means not having anything to eat or drink except water for 8 to 12 hours prior to the venipuncture. These tests also require that the individual abstain from exercise so they will be in a basal state. Chapter 6 Fasting Part 2 Fasting Tests most affected by not fasting are: Lipemia is due to the large amount of fatty compounds in the blood following a meal, and these can interfere with several laboratory tests. Severely lipemic specimens resemble milk instead of the clear yellow liquid that is the normal appearance of serum Glucose Triglycerides Chapter 6 Apply Your Knowledge For a test that requires fasting, how long should the patient fast before obtaining a venipuncture? ANSWER: 8 to 12 hours GREAT! Chapter 6 Glucose Testing Glucose Testing .
