LQTS: Difference between revisions

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*The exercise ECG (X-ECG) commonly shows failure of the QT to shorten normally, thereby prolonging the corrected QT interval, and many individuals develop characteristic T-wave abnormalities.  
*The exercise ECG (X-ECG) commonly shows failure of the QT to shorten normally, thereby prolonging the corrected QT interval, and many individuals develop characteristic T-wave abnormalities.  


*A brisk-standing test ECG, where the QT-interval is measured after abrupt standing with subsequent heart rate acceleration. There appears to be a form of QT-stretching and QT-stunning as demonstrated by Viskin et al. and Adler et al.
*A brisk-standing test ECG, where the QT-interval is measured after abrupt standing with subsequent heart rate acceleration. There appears to be a form of QT-stretching and QT-stunning. <cite>Viskin</cite><cite>Adler</cite>


*Epinephrine infusion is a provocative test that increases the sensitivity of the ECG findings
*Epinephrine infusion is a provocative test that increases the sensitivity of the ECG findings

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