# Clinical context An adult with B-cell precursor acute lymphoblastic leukemia develops fever, hypotension, hypoxemia, confusion, word-finding difficulty, and tremor 18 hours after a continuous blinatumomab infusion begins, raising concern for concurrent cytokine release syndrome and neurologic toxicity. Classify each finding by the serious blinatumomab toxicity it supports.

> source: MyMerci (mymerci.kr)  
> url: https://mymerci.kr/pages/nclex_q.php?qn_id=522591&lang=en  
> language: en  
> subject: Adverse Effects/Contraindications/Interactions  
> category: PPT

## Question

Clinical context
An adult with B-cell precursor acute lymphoblastic leukemia develops fever, hypotension, hypoxemia, confusion, word-finding difficulty, and tremor 18 hours after a continuous blinatumomab infusion begins, raising concern for concurrent cytokine release syndrome and neurologic toxicity.

Classify each finding by the serious blinatumomab toxicity it supports.

|  | Supports cytokine release syndrome | Supports neurologic toxicity | Signals immediate physiologic instability |
| --- | --- | --- | --- |
| Temperature 39.3 C |  |  |  |
| Blood pressure 82/48 mm Hg |  |  |  |
| Oxygen saturation 89% on room air |  |  |  |
| New difficulty naming common objects |  |  |  |
| New hand tremor and confusion |  |  |  |
| Declining level of consciousness |  |  |  |

## Explanation

Fever, hypotension, and hypoxemia support cytokine release syndrome; confusion, language dysfunction, tremor, and seizure activity support neurologic toxicity; declining consciousness can endanger both neurologic function and airway protection.

## In-depth explanation

Quick answer
Separate cytokine release cues, neurologic cues, and overlapping instability.

Why this is correct
The syndromes can coexist. Classifying the cues prevents a single reassuring finding from obscuring a life-threatening systemic or neurologic progression.

Easy analogy or mental picture
Use a closed medication-safety loop: identify the immune or cytotoxic exposure, connect the new findings, interrupt further harm, stabilize the client, and verify the response over time.

Memory hook
Exposure, immune effect, organ toxicity, infection risk, immediate action, and serial reassessment.

NCLEX decision rule
Choose the action that reduces the most immediate medication-related risk while preserving diagnostic evaluation and authorized treatment.

Why the other choices are wrong
Options that continue the exposure, treat only one symptom, or delay reassessment leave the toxic or infectious process active.References
1DailyMed: BLINCYTO (blinatumomab)Cytokine release syndrome, neurologic toxicity including ICANS, interruption, corticosteroid treatment, and monitoring

## Clinical scenario

Clinical context
An adult with B-cell precursor acute lymphoblastic leukemia develops fever, hypotension, hypoxemia, confusion, word-finding difficulty, and tremor 18 hours after a continuous blinatumomab infusion begins, raising concern for concurrent cytokine release syndrome and neurologic toxicity.

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