Predictors of inadequate initial echocardiography in suspected Kawasaki disease: Criteria for sedation.

Patients ≤ 2.0 years or ≤ 10.0 kg or those recently receiving antipyretics, potentially a surrogate for irritability, were associated with diagnostically inadequate transthoracic echocardiography during the inpatient workup of Kawasaki disease. These factors should be considered when deciding which patients to sedate for initial Kawasaki disease transthoracic echocardiography.