Vitamin K deficiency

Background

Is cofactor for vit k dependent clotting factors 2-7-9-10

1. used by liver
2. fat soluble

Due to

1. nutritional def
2. malabsorption- since is fat soluble
3. cholestasis- need bile salts to absorb vit k

Warfarin OD

1. hold coumadin
2. vit k- works in 12- 24 hrs
3. FFP- risk viral transmission or vol overload