qrs t waves qrst波
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。
Objective: To investigate the clinical significance of newly acquired negative t waves after termination of paroxysmal supraventricular reentrant tachycardia with narrow QRS complex.
目的：研究阵发性折返性室上性窄qrs波心动过速终止后倒置T波的临床意义。
Positions of 18 monitoring leads electrodes can reflect objective change of ST-T and QRS waves of routine 18-lead electrocardiogram. This method may be used widely.
认为本文确定的18个监测导联的电极位置可客观反映18导联心电图的ST - T动态变化及QRS波群改变，可以推广。
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