However, the 12-lead ECG remains the universal initial diagnostic test in the evaluation of LQTS and is subject to miscalculation, misinterpretation and mishandling. This review discusses the ...

the QT interval corrected for heart rate (QTc interval) actually increased by 50 ± 30 ms. By contrast, the QT interval did not decrease in patients with LQTS (it lengthened by 4 ± 34 ms ...

Female gender, longer QTc intervals on the ECG, LQT2 channel mutations, and the frequency of syncopal cardiac events prior to age 18 were all associated with an increased risk of a cardiac event.

The likely mechanism for both increased rigidity of the cardiac chambers leading on to impaired cardiac filling and thus causing diastolic dysfunction as well as prolonged OTc interval is possibly ...

Aim To determine factors affecting the QT interval in athletes and find an improved means of QT correction (QTc) Method Data was gathered from the CAYA (Cardiovascular Assessment in Young Athletes) ...

AliveCor's at-home EKG device won FDA clearance to calculate a heart's QT interval, a measurement of how long it takes the ventricles to contract and relax. This is vital given that some drugs can ...