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迄今,对类似于间歇性室性并行收缩二联律一般用3种不同机理来解释:(1)并行收缩性二联律偶而伴入口阻滞消失;(2)受调节的片行收缩不伴入口阻滞消失,(3)不伴纵向分离的折返性二联律。在本帧心电图中,二联律性异位 QRS 波至前面
To date, three different mechanisms have been generally used to interpret bipolar disorders such as intermittent ventricular contractions: (1) parallel contractile diphtheria occasionally accompanied by disappearance of the entrance block; (2) accommodative systolic contraction without accompanying The entrance block disappears, and (3) the reenforced bigeminy without longitudinal separation. In this frame of ECG, the bipolar rhythms of ectopic QRS wave to the front