Double tract conduction is the physiological basis of intra-atrialventricular reentrant tachycardia.
房室结双径传导，是房室结内折返性心动过速的电生理基础。
2
Main change types of ECG in children with epilepsy were atrial premature (9.4%), ST-T change (5.9%), conduction block (5.9%) and ventricular premature beat (4.7%).