2,心电图的构成及命名,按时间顺序一个 心动周期的浪段依次为 ECG Components POor PR QT Interval On low-resolution R ECGs. the 1 mm Interval grid lines are omitted -STInterval 1 mv S 0.5mV PR-TORS LSI Segment Interval Segment 0.1 mv 0. 04 sec -0.2sec- 1 second2,心电图的构成及命名,按时间顺序一个 心动周期的波段依次为: