IM Essentials: Ch. 52 - Bleeding Disorders

Question 1

Delayed bleeding is more common in disorders of ___________ hemostasis.

Answer 1

secondary

Initial platelet plugs can stop bleeding at first, but they will often erode or dislodge without the fibrin mesh that holds them in place.

Question 2

Clotting factors have to drop to less than ___% of their normal levels to prolong the PT or PTT.

Answer 2

30

Question 3

At which INRs would you give PO vitamin K and FFP?

Answer 3

• 5-9: PO vitamin K

* > 9: FFP