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Corrected QT (Bazett)

Heart-rate-corrected QT interval from an ECG.

Formula

QTc=QTRRQTc = \frac{QT}{\sqrt{RR}}

Variables

QTQT interval (s)
RRR-R interval (s)

Did You Know?

The corrected QT interval adjusts a heartbeat's timing for rate, and an abnormal value can warn of danger.

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