What is the clinical presentation of the convalescent stage of Kawasaki disease?

Updated: Jul 29, 2018
  • Author: Tina K Sosa, MD; Chief Editor: Russell W Steele, MD  more...
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The convalescent phase is marked by complete resolution of clinical signs of the illness, usually within 3 months of presentation. This stage begins with the return to baseline of the acute phase reactants and other laboratory abnormalities. Deep transverse grooves across the nails (Beau lines) may become apparent 1-2 months after the onset of fever.

During the convalescent stage, cardiac abnormalities may still be apparent. Smaller CAAs tend to resolve on their own (60% of cases), but larger aneurysms may expand, and MI may occur. In patients whose echocardiograms were previously normal, however, detection of new aneurysms is unusual after week 8 of the illness.

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