4,200
edits
Conduction: Difference between revisions
m
→Correcting the QT for the heart rate
| Line 48: | Line 48: | ||
===Correcting the QT for the heart rate=== | ===Correcting the QT for the heart rate=== | ||
{| class="wikitable" align="right" width="400px" height="400px" | {| class="wikitable" align="right" width="400px" height="400px" | ||
|<flashow>http://nl.ecgpedia.org/images/1/12/QTc.swf</flashow> | |<flashow>http://nl.ecgpedia.org/images/1/12/QTc.swf|width=400px|height=400px</flashow> | ||
|} | |} | ||
The QT interval comprises the QRS-complex, the ST-segment, and the T-wave. One difficultly of QT interpretation is that the QT interval gets shorter if the heart rate increases. This can be solved by correcting the QT time for heart rate using the Bazett formula: | The QT interval comprises the QRS-complex, the ST-segment, and the T-wave. One difficultly of QT interpretation is that the QT interval gets shorter if the heart rate increases. This can be solved by correcting the QT time for heart rate using the Bazett formula: | ||