A patient presents to the emergency department after accidentally taking too much prescribed warfarin. The patient's heart rate is 78 beats/minute and the blood pressure is 120/80 mm Hg. A dipstick urinalysis is normal. The patient does not have any obvious hematoma or petechiae and does not report any pain. What will the provider order initially to address the patient's current condition?

Question

Quizplus · Accepted Answer

Warfarin's effect is monitored by measuring the prothrombin time (PT) and calculating the international normalized ratio (INR). These tests assess the extrinsic pathway of coagulation, which warfarin affects by inhibiting vitamin K-dependent clotting factors.

A Patient Presents to the Emergency Department After Accidentally Taking