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QRS axis: Difference between revisions
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==How do you determine the electrical heartaxis== | ==How do you determine the electrical heartaxis== | ||
[[Image:hart_axis.png|thumb]] | [[Image:hart_axis.png|thumb]] | ||
[[Image: | [[Image:ECG_lead_angulation.png|thumb]] | ||
When you average all electrical signals from the heart, you can indicate the direction of the average electrical depolarization with an arrow (vector). This is the heartaxis. Especially a change of the heartaxis or an extreme deviation can be an indication for pathology. | When you average all electrical signals from the heart, you can indicate the direction of the average electrical depolarization with an arrow (vector). This is the heartaxis. Especially a change of the heartaxis or an extreme deviation can be an indication for pathology. | ||