The expansion of the downward main wave scope and the left axis deviation proved to have the same cause.

引起主波向下范围扩大与导致电轴左偏的病因基本相同。

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Conclusion QRS prolongation and frontal plane QRS axis deviation after contrast medium injection may be a marker of myocardial ischemia.

结论注射造影剂后QRS时间延长及QRS额面电轴的变化可能是急性心肌缺血的标志。

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Case 4 represents a right-axis deviation (Figure 6), in which the interventricular septum is almost parallel to the anteroposterior line.

病例4是表示心轴右偏（图6），室间隔与前后线几乎平行。

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The vertical axis (Y axis) is the compounded portfolio return and the horizontal axis (X axis) is portfolio risk as measured by the annual standard deviation of return.

FORBES: Basics of Asset Allocation (Part 2 of 2)