Cause:All genetic, except occasionally due to amyloid (Nejm 1979;301:1050; 1979;304:827); all autosomal recessive
Pathophys:(Screening Tests of Clotting Function)
Sx:
I and VII: no or little bleeding
II: mild bleeding, esp postsurgery
V and X: mild bleeding but hemarthroses
XIII: severe bleeding, hemarthroses, poor wound healing
Lab: Hem:Clotting w/u (Screening Tests of Clotting Function)
Rx: For II, Konyne (Classic Hemophilia (Hemophilia A))