Automated T-wave analysis can differentiate acquired QT prolongation from congenital long QT syndrome.
Alan M SugruePeter A NoseworthyVaclav KremenJ Martijn BosBo QiangRam K RohatgiYehu SapirZachi I AttiaPeter BradyPedro J CaraballoSamuel J AsirvathamPaul A FriedmanMichael J AckermanPublished in: Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc (2017)
T-wave morphological analysis on lead V5 of the surface ECG could successfully differentiate congenital from acquired causes of QT prolongation.