PMC6637800_01
The 12-lead electrocardogram (ECG) of the first patient demonstrating tachycardia with QT interval of 440 milliseconds and ST segment elevation in aVR and T wave inversion V1, V2 and V3
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F1
Her electrocardiogram showed tachycardia with QT interval of 440 milliseconds and ST segment elevation in aVR and T wave inversion V1, V2 and V3 (Figure 1).
The 12-lead electrocardogram (ECG) of the second patient demonstrating sinus tachycardia and prolonged QT-interval
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F2
The ECG also showed sinus tachycardia and prolonged QT interval (Figure 2).