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。
The QRS complex, during tachycardia could be in morphology of narrow, left bundle branch block (LBBB) and right bundle branch block(RBBB) with VA dissociation.
心动过速可呈窄QRS图形、左束支传导阻滞（LBBB）图形及右束支传导阻滞（RBBB）图形。
The manifestation of ECG: Narrow QRS-complex sinus tachycardia was observed.
心电图表现：表现为伴有窄qrs复合波的窦性心动过速。
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