Pathophysiology

Clinical meaning

Kawasaki disease (KD) is diagnosed clinically using the classic diagnostic criteria: fever for 5 or more days PLUS at least 4 of 5 principal clinical features: (1) bilateral non-exudative conjunctival injection (limbic sparing -- redness spares the area immediately around the iris); (2) changes of the oral mucosa (strawberry tongue, erythematous and fissured lips, diffuse oropharyngeal erythema); (3) polymorphous rash (typically maculopapular, can be urticarial or erythema multiforme-like, often accentuated in the groin); (4) changes of the peripheral extremities (erythema and edema of hands and feet in acute phase, periungual desquamation in subacute phase); (5) cervical lymphadenopathy (usually unilateral, at least 1.5 cm diameter). Incomplete (atypical) Kawasaki disease should be considered in children with prolonged unexplained fever and fewer than 4 classic criteria, particularly in infants under 6 months (who are at highest risk for coronary complications but often present atypically). The AHA algorithm for incomplete KD uses supplementary laboratory criteria (CRP ≥3.0 mg/dL or ESR ≥40 mm/hr) combined with supportive findings (albumin ≤3.0 g/dL, anemia for age, platelets >450,000 after day 7, WBC >15,000, urine WBC ≥10/HPF, elevated ALT)...

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Kawasaki Disease: Diagnostic Criteria & IVIG Protocols: historical NP/APRN lesson restored from legacy corpus (us-np-agpcnp).

Clinical reasoning

For Kawasaki Disease: Diagnostic Criteria & IVIG, connect the assessment cue to the immediate risk before selecting an action for NP. Start with stability, ABCs, neurologic change, medication risk, infection risk, and scope of practice. Then decide whether the safest next step is assess, intervene, escalate, teach, or evaluate response.

Patient safety implications

A missed priority in Kawasaki Disease: Diagnostic Criteria & IVIG can delay recognition of deterioration or allow preventable harm to continue. Protect the client first by verifying abnormal cues, using ordered precautions, escalating unstable findings, and reassessing after intervention.

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Clinical meaning: Kawasaki disease (KD) is diagnosed clinically using the classic diagnostic criteria: fever for 5 or more days PLUS at least 4 of 5 principal clinical features: (1) bilateral non-exudative conjunctival injection (limbic sparing -- redness spares the area immediately around the iris); (2) changes of the oral mucosa (strawberry tongue, erythematous and fissured lips, diffuse oropharyngeal erythema); (3) polymorphous rash (typically maculopapular, can be urticarial or erythema multiforme-like, often accentuated in the groin); (4) changes of the peripheral extremities (erythema and edema of hands and feet in acute phase, periungual desquamation in subacute phase); (5) cervical lymphadenopathy (usually unilateral, at least 1.5 cm diameter).

Clinical meaning: Kawasaki disease (KD) is diagnosed clinically using the classic diagnostic criteria: fever for 5 or more days PLUS at least 4 of 5 principal clinical features: (1) bilateral non-exudative conjunctival injection (limbic sparing -- redness spares the area immediately around the iris); (2) changes of the oral mucosa (strawberry tongue, erythematous and fissured lips, diffuse oropharyngeal erythema); (3) polymorphous rash (typically maculopapular, can be urticarial or erythema multiforme-like, often accentuated in the groin); (4) changes of the peripheral extremities (erythema and edema of hands and feet in acute phase, periungual desquamation in subacute phase); (5) cervical lymphadenopathy (usually unilateral, at least 1.5 cm diameter).

Clinical meaning: Kawasaki disease (KD) is diagnosed clinically using the classic diagnostic criteria: fever for 5 or more days PLUS at least 4 of 5 principal clinical features: (1) bilateral non-exudative conjunctival injection (limbic sparing -- redness spares the area immediately around the iris); (2) changes of the oral mucosa (strawberry tongue, erythematous and fissured lips, diffuse oropharyngeal erythema); (3) polymorphous rash (typically maculopapular, can be urticarial or erythema multiforme-like, often accentuated in the groin); (4) changes of the peripheral extremities (erythema and edema of hands and feet in acute phase, periungual desquamation in subacute phase); (5) cervical lymphadenopathy (usually unilateral, at least 1.5 cm diameter).

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Kawasaki Disease: Diagnostic Criteria & IVIG

Clinical meaning

Diagnosis & workup

Management

Prescribing & monitoring

Takeaways

Review after learning, not during it.

Topic overview

Clinical reasoning

Patient safety implications

Example application

Continue Your Learning

Check your understanding

Clinical pearl

Reference anchors

Clinical meaning

Topic overview

Clinical reasoning

Patient safety implications

Example application

Continue Your Learning

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Check your understanding

Clinical pearl

Reference anchors