Left axis deviation is between -30 and -90 degrees.
左轴偏移在-30和-90度之间。
Left Axis Deviation
原声例句
医学英语 心内科
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。
英语百科
Left axis deviation
Left axis deviation (LAD) is a condition whereby the mean electrical axis of ventricular contraction of the heart lies in a frontal plane direction between −30° and −90°. This is reflected by a QRS complex positive in lead I and negative in leads aVF and II.
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