Measurement of the Electromechanical Window to Improve the Diagnosis of Congenital Long QT Syndrome
The goal of this research is to prospectively evaluate the performance of the electromechanical window according to a phonographic method, as a mean of diagnosis of long QT syndrome, and to compare its performance with routine tests used.
• Propositus patients with genetically proven LQTS and their relatives,
• Patients of both sexes aged 12 and over,
• Free, informed and written consent of the patient and the two holders of parental authority for minors.