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→The QT interval
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==The QT interval== | ==The QT interval== | ||
[[ | [[File:Tangent QT.png|thumb|400px| The QT interval start at the onset of the Q wave and ends where the tangent line for the steepest part of the T wave intersects with the baseline of the ECG. Click on the image for a larger image]] | ||
'''The normal QTc interval''' | '''The normal QTc interval''' | ||
The QT interval indicates how fast the ventricles are repolarized and how fast they are ready for a new heart cycle. | The QT interval indicates how fast the ventricles are repolarized and how fast they are ready for a new heart cycle. | ||