An isolated prolonged aPTT corrects into the reference inter… | 마이메르시 MyMerci
Hematology · 혈액학·지혈
문제
An isolated prolonged aPTT corrects into the reference interval immediately after a 1:1 mix with normal plasma. What does this pattern most strongly suggest?
1A strong immediately acting inhibitor
2Excess platelets
3Specimen lipemia only
4A deficiency of one or more factors supplied by normal plasma✓ 정답
해설
Correction after mixing indicates that normal plasma supplied a missing coagulation factor. Failure to correct suggests an inhibitor, although time-dependent inhibitors require incubated interpretation.
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