The anticoagulation service reviews six clients taking warfarin. Match each situation to the expected reversal plan.
Matrix
Choose your responses, then check the answer.
Explanation
For INR 4.5 to 10 without bleeding and without a special high-risk indication, warfarin is held and the INR is followed; routine vitamin K is generally not required. INR above 10 without bleeding calls for holding warfarin and giving oral vitamin K as prescribed. Major or critical-site bleeding requires immediate interruption, IV vitamin K, and rapid factor replacement with 4-factor PCC; the bleeding emergency outweighs the absolute INR value.
Correct Answer Rows 1 and 2 use hold-and-recheck; rows 3 and 4 add oral vitamin K; rows 5 and 6 require IV vitamin K plus 4-factor PCC.
Why It Fits The INR measures anticoagulant intensity, but active major bleeding determines urgency and route. PCC acts quickly while vitamin K provides sustained reversal.
Clinical Picture An intracranial bleed or hemodynamically significant internal bleed is an emergency even when the INR is lower than a nonbleeding client's INR.
Memory Link No bleed: use the INR tier. Major bleed: reverse now with fast factors plus durable vitamin K.
NCLEX Rule Prioritize bleeding site and instability over the number alone, and pair rapid factor replacement with IV vitamin K for major bleeding.
Why the Alternatives Fail Oral vitamin K is too slow for critical bleeding, and holding warfarin alone cannot provide immediate factor replacement. PCC is not routinely required for an asymptomatic INR elevation.
Sources
1AHA/ASA Intracerebral Hemorrhage Guideline
2ACC Anticoagulant-Related Bleeding Consensus
32026 NCLEX-RN Test Plan
Assume the INR values are confirmed, no urgent procedure is planned, and no additional anticoagulant is present. Use bleeding severity and INR together.
4F-PCC — 4-factor prothrombin complex concentrate (II, VII, IX, X) for warfarin reversal in major bleeding.
vitamin K — Cofactor for synthesis of clotting factors II, VII, IX, X reversed by warfarin.