# Stage 1 — Recognize cues. A 3-year-old child is admitted from the emergency department with fever and irritability. The caregiver reports reduced intake and red eyes. Highlight the findings that require follow-up.

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> subject: System-Specific Assessments  
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## Question

Stage 1 — Recognize cues. A 3-year-old child is admitted from the emergency department with fever and irritability. The caregiver reports reduced intake and red eyes. Highlight the findings that require follow-up.

| Assessment area | Finding |
| --- | --- |
| History | Fever for 6 days; on day 4 of oral amoxicillin for suspected strep |
| Eyes | Both eyes red; clear rim next to the iris; no discharge |
| Immunizations | Up to date for age; MMR and varicella vaccines given at 12 months |
| Mouth | Lips red, dry, and cracked; tongue bright red with large papillae |
| Skin | Dry patches behind both knees, present since infancy |
| Hands and feet | Palms and soles red; backs of hands and feet puffy |
| Cardiovascular | HR 142/min while crying, 96/min when calm; refill 2 seconds |
| Respiratory | RR 26/min; lungs clear; SpO2 98% on room air |
| Hydration | Voided 4 times since 0700; mucous membranes moist |

## Explanation

Fever lasting 6 days despite antibiotics, bilateral limbus-sparing nonexudative conjunctival injection, cracked red lips with strawberry tongue, and red, swollen hands and feet form a pattern that needs prompt follow-up because it signals a systemic vasculitis rather than the suspected strep throat. Up-to-date measles and varicella immunization, long-standing eczema, a heart rate that settles to 96/min when calm, clear lungs, and adequate voiding are expected or reassuring.

## In-depth explanation

Quick answer
Select the 6-day fever on antibiotics, the red eyes with a clear rim and no discharge, the cracked lips and strawberry tongue, and the red, puffy hands and feet.

Why this is correct
Fever that persists for 5 days or more despite antibiotics, combined with nonexudative conjunctival injection that spares the limbus, oral mucosal changes, and extremity erythema and edema, forms a pattern that must be escalated because untreated Kawasaki disease threatens the coronary arteries. The eye description matters: a clear rim and no discharge separates this from bacterial or adenoviral conjunctivitis.

Easy analogy or mental picture
Each finding alone looks like a common childhood illness; placed side by side, they form a fingerprint that no ordinary virus or strep throat leaves.

Memory hook
Fever 5+ days plus CREAM: Conjunctiva, Rash, Extremities, Adenopathy, Mouth.

NCLEX decision rule
For a child whose fever outlasts the expected course or fails to respond to antibiotics, look for a multisystem pattern and compare each finding with the more benign explanation before accepting it.

Why the other choices are wrong
Immunization status is tempting to flag in a febrile child with rash and red eyes, but documented MMR and varicella vaccination makes measles and varicella unlikely rather than signaling a new problem. Dry patches since infancy are chronic eczema, not the polymorphous rash of an acute illness. HR 142 while crying settles to 96/min when calm, within the normal range for age, and refill is normal, so the tachycardia is explained by crying and fever rather than cardiac involvement. RR 26 with clear lungs and SpO2 98% is expected for age and fever. Four voids since 0700 with moist membranes shows adequate hydration despite reduced intake.

References
1AHA Scientific Statement: Diagnosis, Treatment, and Long-Term Management of Kawasaki DiseasePrincipal clinical features of Kawasaki disease and features that suggest alternative diagnoses
2CDC: Kawasaki DiseaseKawasaki disease signs, including prolonged fever, red eyes, red cracked lips, and swollen hands and feet

## Clinical scenario

Case update
Pediatric admission — A preschool child has persistent fever despite antibiotics with eye, mouth, and extremity changes.

## Key concepts

- **Limbic sparing** — A clear zone of white conjunctiva around the iris seen with the nonexudative conjunctival injection of Kawasaki disease.
- **Strawberry tongue** — A red tongue with prominent papillae seen in Kawasaki disease and in scarlet fever.
- **Principal clinical features** — The five mucocutaneous and lymph-node findings that, with prolonged fever, define classic Kawasaki disease.

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