As the interval between QRS waves and T wave in ECG, QT interval represents the depolarization of ventricle.
QT间期指心电波形中QRS波起点到T波终点这一段所对应的时间间隔，代表心室去极化过程。
As the interval between QRS waves and T wave in ECG, QT interval represents the depolarization of ventricle.
QT间期指心电波形中QRS波起点到T波终点这一段所对应的时间间隔，代表心室去极化过程。
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