The Nurse Is Preparing to Transfer the Patient to a Telemetry

The nurse is preparing to transfer the patient to a telemetry unit after treatment for a new diagnosis of Atrial Fibrillation and Status Post Mechanical Valve. The patient will be on long term Warfarin Therapy. What is the goal International Normalized Ratio (INR) for this patient?

A) 4 to 5
B) 3 to 4
C) 1 to 2
D) 2 to 3