Can long QT syndrome be diagnosed by vectorcardiography when the corrected QT on the resting 12-lead electrocardiogram is of normal duration?

Can long QT syndrome be diagnosed by vectorcardiography when the corrected QT on the resting 12-lead electrocardiogram is of normal duration?

Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Heart Rhythm - Volume 14, Issue 6, June 2017, Pages 900-901

Arthur J. MD,