![Effect of Age and Sex on the QTc Interval in Children and Adolescents With Type 1 and 2 Long-QT Syndrome | Semantic Scholar Effect of Age and Sex on the QTc Interval in Children and Adolescents With Type 1 and 2 Long-QT Syndrome | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/92409c1b4bebfb6856c11780d1a287ecadf4159f/3-Table1-1.png)
Effect of Age and Sex on the QTc Interval in Children and Adolescents With Type 1 and 2 Long-QT Syndrome | Semantic Scholar
![T-Wave Morphology Analysis in Congenital Long QT Syndrome Discriminates Patients From Healthy Individuals - ScienceDirect T-Wave Morphology Analysis in Congenital Long QT Syndrome Discriminates Patients From Healthy Individuals - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S2405500X16304066-fx1.jpg)
T-Wave Morphology Analysis in Congenital Long QT Syndrome Discriminates Patients From Healthy Individuals - ScienceDirect
![Examples of QT measurement and correction (QTc). ECG strips from lead... | Download Scientific Diagram Examples of QT measurement and correction (QTc). ECG strips from lead... | Download Scientific Diagram](https://www.researchgate.net/publication/321673422/figure/fig3/AS:613969165291529@1523393064570/Examples-of-QT-measurement-and-correction-QTc-ECG-strips-from-lead-II-recorded-at-25.png)
Examples of QT measurement and correction (QTc). ECG strips from lead... | Download Scientific Diagram
![a An ECG trace of lead II with long QT interval (66 ms). b A normal... | Download Scientific Diagram a An ECG trace of lead II with long QT interval (66 ms). b A normal... | Download Scientific Diagram](https://www.researchgate.net/publication/326798776/figure/fig1/AS:697980608856064@1543422953154/a-An-ECG-trace-of-lead-II-with-long-QT-interval-66-ms-b-A-normal-trace-of-an-ECG-in.png)
a An ECG trace of lead II with long QT interval (66 ms). b A normal... | Download Scientific Diagram
![Normal Duration Times - Normal Function of the Heart - Cardiology Teaching Package - Practice Learning - Division of Nursing - The University of Nottingham Normal Duration Times - Normal Function of the Heart - Cardiology Teaching Package - Practice Learning - Division of Nursing - The University of Nottingham](https://www.nottingham.ac.uk/nursing/practice/resources/cardiology/images/normal_intervals.gif)
Normal Duration Times - Normal Function of the Heart - Cardiology Teaching Package - Practice Learning - Division of Nursing - The University of Nottingham
![ECG interpretation: Characteristics of the normal ECG (P-wave, QRS complex, ST segment, T-wave) – ECG & ECHO ECG interpretation: Characteristics of the normal ECG (P-wave, QRS complex, ST segment, T-wave) – ECG & ECHO](https://ecgwaves.com/wp-content/uploads/2023/06/the-normal-ecg-ekg-p-wave-qrs-complex-st-t-segment-wave-criteria-intervals-1024x602.webp)