Atypical Kawasaki disease with remarkable paucity of signs and symptoms.

We report on a 7-month-old infant with Kawasaki disease (KD) whose only manifestations were high-grade fever of 7 days duration, "non-toxic look" and "extreme irritability", thereby not meeting the criteria for the classical or the atypical form of the disease. The diagnosis was confirmed by the demonstration of a solitary aneurysm in the proximal left anterior descending coronary artery. The present case raises the concern that the presently laid guidelines for the diagnosis of atypical KD may not be adequate.