8/24- LAB 7- Acquired Coagulation Disorders Flashcards Preview

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Flashcards in 8/24- LAB 7- Acquired Coagulation Disorders Deck (2)
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1

What factor assays do you request (knowing that there is a prolonged PTT)?

A. FXII, FXI, FVIII

B. FII, FV, FVII

C. FX, FVII, FII

D. FVIII, FIX, FXI

E. FXIII, FIX, FVII

What factor assays do you request (knowing that there is a prolonged PTT)? 

A. FXII, FXI, FVIII 

B. FII, FV, FVII 

C. FX, FVII, FII 

D. FVIII, FIX, FXI 

E. FXIII, FIX, FVII

(remember F.XII issues do NOT cause bleeding!)

2

Laboratory workup:

- Factor VIII 43% [47%-169%]

- Factor IX 106% [67%-141%]

- Factor XI 66% [48%-139%]

- The mild prolongation of the PTT is explained by a low factor VIII and a low normal factor XI.

- Work-up ended. Results were reported.

What would you do?

A. None - Clear the patient for surgery.

B. Transfuse plasma before surgery.

C. Do further study.

D. Transfuse platelets.

E. Administer factor VIII

What would you do? 

A. None - Clear the patient for surgery.

B. Transfuse plasma before surgery.

C. Do further study.

D. Transfuse platelets.

E. Administer factor VIII

(do the von Willebrand panel)