Preanalytic Variables in Special Coagulation Testing
Clinical Implications
Steps Towards Reducing Clotted Specimens
October 2008
Given the complexities and the scope of this problem, we elected to focus on raising an awareness of the scope of the problem with this current presentation and providing a concentrated-focus education geared to its optimal specimen collection and processing.
This consists of a technical presentation by the Special Coagulation Laboratory assistant supervisor Joel Cayou and a detailed write up in our monthly Communiqué.
Reducing Clotted Specimens |
Jump to section:
- Introduction
- Variables Affecting Test Results
- Preanalytic Variables Affecting Coagulation Testing
- Special Coagulation Test Algorithms
- Case History
- Preprocedure Coagulation Tests
- PT and aPTT Diagram
- Normal Hematocrit and High Hematocrit
- Preprocedure Coagulation Tests
- Case Conclusion
- Case Example
- Repeat Testing With Fresh Sample
- Intrinsic and Extrinsic Diagram
- Clotted Specimen: Definition of Clotted Specimen
- Significance of Clotted Specimen
- Significance of Clotted Specimen
- Preanalytic Factors Affecting Testing Results: Clotted Specimen
- Scope of the Problem
- Event Capture Tool
- Clotted Specimens as a Percentage of Test Volume
- Clotted Specimens 2007
- Clinical Laboratory Standards Institute
- Rejection of Specimen: Impact
- Causes of Clotted Specimen
- Steps Towards Reducing Clotted Specimens
- Conclusion
- Questions?
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