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A 2-year-old boy is brought into the emergency room with a complaint of fever for 6 days and development of a limp. On examination, he is found to have an erythematous macular exanthem over his body, ocular conjunctivitis, dry and cracked lips, a red throat, and cervical lymphadenopathy. There is a grade II/VI vibratory systolic ejection murmur at the lower left sternal border. A white blood cell count and differential show predominant neutrophils with increased platelets on smear.

The most likely diagnosis is

a. Scarlet fever

b. Rheumatic fever

c. Kawasaki disease

d. Juvenile rheumatoid arthritis

e. Infectious mononucleosis

in Pediatrics by

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c. Kawasaki disease