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A member asked:
What is a normal qt interval?
A doctor has provided 1 answer
Increased QTc: The QT interval represents the time it takes for the electricity to pass through the bottom two heart chambers. Normally, the QT shortens with a faster heart rate; therefore, a corrected QT (QTc) is calculated, more accurately representing the expected QT.
Answered 11/12/2014
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