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Conduction: Difference between revisions
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→How to measure QT if the QT segement is abnormal
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===How to measure QT if the QT segement is abnormal=== | ===How to measure QT if the QT segement is abnormal=== | ||
<div align="left"> | <div align="left"> | ||
{| class="wikitable" | {| class="wikitable" width="750px" | ||
!colspan='3'|How to measure QT if the QT segement is abnormal | !colspan='3'|How to measure QT if the QT segement is abnormal | ||
|- | |- | ||
|[[File:lastigeQT1.png|250px]] | |valign="top"|[[File:lastigeQT1.png|250px]] | ||
|[[File:lastigeQT2.png|250px]] | |valign="top"|[[File:lastigeQT2.png|250px]] | ||
|[[File:lastigeQT3.png|250px]] | |valign="top"|[[File:lastigeQT3.png|250px]] | ||
|- | |- | ||
|The T wave is broad, but the tangent crosses the baseline before the T wave joins the baseline. The QT interval would be overestimated when this last definition of the end of the T wave would be used. | |The T wave is broad, but the tangent crosses the baseline before the T wave joins the baseline. The QT interval would be overestimated when this last definition of the end of the T wave would be used. | ||