400
This is the best option to prevent stroke/VTE due to Afib in a 84yo, 62kg female patient with the following labs/info:
Na 144, K 4.9, Cl 95, CO2 35, Glu 398, Scr 2.9, WBC 11.2, Hgb 9.9, Ht 5' 1"
What is warfarin? Why not Pradaxa, Xarelto, Eliquis? Renal disease dosing?