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QRS axis: Difference between revisions
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→Abnormal heartaxis
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==Abnormal heartaxis== | ==Abnormal heartaxis== | ||
[[Image:left_axis_dev.jpg|thumb| Heartaxis deviation to the left in case of an inferior infarct. Left anterior hemi Block is a common cause. A left axis is between -30 and -90 degrees. The axis is -30 degrees.]] | [[Image:left_axis_dev.jpg|thumb|left| Heartaxis deviation to the left in case of an inferior infarct. Left anterior hemi Block is a common cause. A left axis is between -30 and -90 degrees. The axis is -30 degrees.]] | ||
[[Image:right_axis_dev.jpg|thumb| Heartaxis deviation to the right in right ventricular load, as in COPD or pulmonary embolism. A right axis is between +90 and +180 degrees. In this case the axis is +135 degrees]] | [[Image:right_axis_dev.jpg|thumb|right| Heartaxis deviation to the right in right ventricular load, as in COPD or pulmonary embolism. A right axis is between +90 and +180 degrees. In this case the axis is +135 degrees]] | ||
The direction of the vector can changes under different circumstances: | The direction of the vector can changes under different circumstances: | ||