[Electrocardiographic and echocardiographic findings in children with overweight and obesity].

Background And Objective: Obesity is associated with cardiovascular risk factors and heart failure.

Subjects And Method: Thirty children with overweight or obesity were matched with 30 healthy children. Corrected QT interval (QTc) and QT dispersion (QTd), left ventricular mass, left ventricular mass index, fractional shortening and fractional ejection, were measured.