Also an electrocardiogram might have changes such as a prolonged QT, prolonged ST segment, and arrhythmias, like torsade de pointes and atrial fibrillation.

心电图也可能会发生变化，例如QT延长、ST段延长，还有心律失常，比如尖端扭转和房颤。

These include flattening or inversion of T wave, increasingly prominent U wave, ST segment depression and prolonged QT interval.

其中包括T波变平或倒置，U波逐渐突出，ST段压低，QT间期延长。