Investigation of a prolonged APTT. Different approaches taken by laboratories to achieve the same diagnosis.


INTRODUCTION The APTT is widely employed as part of a coagulation screening panel, used as a pre-operative assessment of bleeding risk, to detect hereditary and acquired haemostatic defects and to monitor anticoagulant therapy. External quality assessment (EQA) exercises assess laboratory performance of individual tests, but rarely assess the approach to… (More)
DOI: 10.1111/ijlh.12025


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