If you are:
FDB Contraindicated or Not Recommended: ACCEPTABLE IN PTS WITH PROSTHETIC HEART VALVE; ALONE OR WITH LMWH OR UFH
No Known Risk: No Effect
An adult over 60:
management or monitoring precaution: General-Increased risk for hemorrhage. Lower maintenance dose may be required.
Giving warfarin SODIUM to a child under 12:
management or monitoring precaution: Frequent INR/PT monitoring recommended. No controlled safety trials.