A patient with a deep venous thrombosis (DVT) is going home on warfarin (Coumadin). The nurse instructs the patient that lab work will need to be performed frequently until the levels stabilize
For which international normalized ratio (INR) result will the patient's warfarin need to be adjusted? 1. 2.8
2. 3.0
3. 2.1
4. 1.3
4
Rationale 1: This INR is within the common therapeutic range of 2.0 to 3.0.
Rationale 2: This INR is within the common therapeutic range of 2.0 to 3.0 but is nearly out of range. This patient should be monitored.
Rationale 3: This INR is within the common therapeutic range of 2.0 to 3.0 but is nearly out of range. This patient should be monitored.
Rationale 4: The ideal INR range for a patient on warfarin is 2.0 to 3.0. An INR of 1.3 will require that warfarin be increased.
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