What is the target INR for a patient with a mechanical mitral valve.. 2.5-3.5



What is the target INR for a patient with a mechanical mitral valve?
A.A 4.0-4.5
B.A 4.0
C.A 3.0-4.0
D.A 2.5-3.5***
E.A 2.0-3.0.