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Flashcards in CACP Thrombophilias Deck (2)
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1

What labs do you check when measuring protein C activity?

Protein C functional assay
PT to ensure that vitamin K deficiency is not present (can lead to false positives)

2

What labs do you check for dysfibrinogenemia?

The thrombin time (prolonged by heparin) or the reptilase time (unaffected by heparin)
Confirm with the fibrinogen antigen test