# A client received idarucizumab for life-threatening bleeding while taking dabigatran. 12 hours later, bleeding resumes and the diluted thrombin time is again prolonged. Which action is appropriate?

> source: MyMerci (mymerci.kr)  
> url: https://mymerci.kr/pages/nclex_q.php?qn_id=522896&lang=en  
> language: en  
> subject: Adverse Effects/Contraindications/Interactions  
> category: PPT

## Question

A client received idarucizumab for life-threatening bleeding while taking dabigatran. 12 hours later, bleeding resumes and the diluted thrombin time is again prolonged. Which action is appropriate?

## Option

1. Assume reversal must remain complete for several days.
2. Restart dabigatran immediately despite active bleeding.
3. Give vitamin K because it directly neutralizes dabigatran.
4. Notify the team urgently because dabigatran effect can recur and an additional idarucizumab dose may be considered for recurrent clinically relevant bleeding. **✔ Correct answer**

**Correct answer: 4**

## Explanation

Dabigatran concentrations can rebound after idarucizumab as drug redistributes, particularly with renal impairment. Recurrent bleeding with renewed coagulation prolongation requires urgent reassessment and may justify another 5-g dose.

## In-depth explanation

Quick answer
After idarucizumab, watch for dabigatran rebound and recurrent bleeding.

Why this is correct
Vitamin K reverses vitamin-K antagonists, not the direct thrombin inhibitor dabigatran.

Easy analogy or mental picture
Build a medication-safety chain: identify the new cue, connect it to the drug mechanism or labeled limitation, stop preventable exposure, stabilize the client, and verify a measurable response.

Memory hook
Drug, urgent cue, protective action, and reassessment endpoint.

NCLEX decision rule
Choose the action that prevents the most immediate medication-related harm while preserving indicated treatment and required monitoring.

Why the other choices are wrong
Options that continue a suspect exposure, normalize a labeled danger cue, substitute an unauthorized dose, or delay escalation leave the client at risk.References
1DailyMed: PRAXBIND (idarucizumab)Recurrent dabigatran activity and consideration of a second dose

## Clinical scenario

Medication-safety review
Verify indication, current assessment, dose and route, organ function, interactions, urgent toxicity cues, authorized action, and measurable follow-up.

## Related questions

- [A nurse is reviewing the morning lab results for an adult client receiving warfarin for at…](https://mymerci.kr/pages/nclex_q.php?qn_id=360515&lang=en)
- [A client is admitted to the emergency department after ingesting an unknown amount of acet…](https://mymerci.kr/pages/nclex_q.php?qn_id=362720&lang=en)
- [A client with chronic heart failure is prescribed metoprolol 25 mg orally twice daily. Bef…](https://mymerci.kr/pages/nclex_q.php?qn_id=362756&lang=en)
- [A 28-year-old client with type 1 diabetes receives regular insulin 6 units and NPH insulin…](https://mymerci.kr/pages/nclex_q.php?qn_id=362792&lang=en)
- [A client receives IV vancomycin 1 g every 12 hours for MRSA bacteremia. Before the next do…](https://mymerci.kr/pages/nclex_q.php?qn_id=362833&lang=en)
- [A client with bipolar disorder has been taking lithium carbonate 600 mg orally three times…](https://mymerci.kr/pages/nclex_q.php?qn_id=362894&lang=en)
- [An 80-year-old male with heart failure is prescribed digoxin 0.125 mg daily. During mornin…](https://mymerci.kr/pages/nclex_q.php?qn_id=372686&lang=en)
- [A 38-year-old female with rheumatoid arthritis is being discharged with a new prescription…](https://mymerci.kr/pages/nclex_q.php?qn_id=372687&lang=en)

## Read in another language

- [en](https://mymerci.kr/pages/nclex_q.php?qn_id=522896&lang=en)
- [ko](https://mymerci.kr/pages/nclex_q.php?qn_id=522896&lang=ko)
- [ja](https://mymerci.kr/pages/nclex_q.php?qn_id=522896&lang=ja)
- [zh-TW](https://mymerci.kr/pages/nclex_q.php?qn_id=522896&lang=zh-tw)
- [vi](https://mymerci.kr/pages/nclex_q.php?qn_id=522896&lang=vi)

---

More free questions: [NCLEX-RN Practice](https://mymerci.kr/pages/nclex_bank.php?lang=en)

_For study reference only. Always follow current clinical guidelines and your institution’s protocols._