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Case Studies

TraQ Program of the BC PBCO

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Tuesday, 14 August 2018

Case Studies

This section features interactive case studies for both practicing and student technologists, nurses, and physicians.

The policies and serological procedures used to investigate the cases reflect Canadian practices but include international protocols and practices, as appropriate. Individuals should always adhere to the policies developed in their institutions.

TraQ Case Studies are protected by copyright. See Terms of Use.

NEW: When the website was revised in Sept. 2016, we decided to update all the links in each case study. If you detect broken links, please contact Pat at This e-mail address is being protected from spambots. You need JavaScript enabled to view it and they will be fixed as needed.

Each case is being reviewed to see what needs revising but this will take time. Many thanks. To date these cases have their links fixed:

All A-level cases: Case A-1, A-2, A-3, A-4, A-5, A-6, A-7, A-8

All B-level cases: Case B-1, B-2, B-3, B-4, B-5, B-6, B-7

TraQ cases are divided into three categories:

  • Level A cases reflect the practice of large transfusion services where complex testing is performed routinely.
  • Level B cases reflect the practice of small hospitals where only basic testing is performed or the laboratory acts as a dispensary. Basic testing is usually limited to a group and screen and crossmatch. Grouping discrepancies and antibody identification is done externally.
  • Level "O" cases were originally developed elsewhere and are presented here with educational enhancements. They include cases with basic and complex practices.

We welcome feedback on the cases. Contact This e-mail address is being protected from spambots. You need JavaScript enabled to view it