Conduction: Difference between revisions

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[[Image:QRSinterval.jpg|thumb| 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 bigger image]]
[[Image:QRSinterval.jpg|thumb| 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 bigger 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 normal value for QTc(orrected) is: '''below 450ms for men and below 460ms for women'''. <cite>Aha</cite>
The QT interval indicates how fast the ventricles are repolarized and how fast they are ready for a new heart cycle. The normal value for QTc(orrected) is: '''below 450ms for men and below 460ms for women'''. <cite>aha2</cite>


===Risk of QT prolongation===
===Risk of QT prolongation===