Kawasaki Syndrome

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1990 Case Definition

Clinical case definition

A febrile illness of greater than or equal to 5 days' duration, with at least four of the five following physical findings and no other more reasonable explanation for the observed clinical findings:

• Bilateral conjunctival injection
• Oral changes (erythema of lips or oropharynx, strawberry tongue, or fissuring of the lips)
• Peripheral extremity changes (edema, erythema, or generalized or periungual desquamation)
• Rash
• Cervical lymphadenopathy (at least one lymph node greater than or equal to 1.5 cm in diameter)

Laboratory criteria for diagnosis

None

Case classification

Confirmed: a case that meets the clinical case definition

Comment

If fever disappears after intravenous gamma globulin therapy is started, fever may be of less than 5 days' duration, and the clinical case definition may still be met.

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This page last updated November 17, 2011

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