A positive value in lead I and negative in lead aVF, place the axis in the upper left quadrant, which interprets as possible left axis deviation.
如果导联I为正值，导联aVF为负值，则将轴放置在左上象限，解释为可能是左轴偏移。
| 单词 | upper left quadrant |
| 释义 |
upper left quadrant
原声例句
医学英语 心内科 A positive value in lead I and negative in lead aVF, place the axis in the upper left quadrant, which interprets as possible left axis deviation. 如果导联I为正值，导联aVF为负值，则将轴放置在左上象限，解释为可能是左轴偏移。 |
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