Cardiology · Emergency Medicine
Corrected QT (RR Interval / Framingham) calculator
Enter the published formula inputs below to calculate and interpret this score.
Clinical inputs
Result
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Formula inputs
- Qtcrr Qt Interval Ms (ms)Accepted range: 200 to 700
- Qtcrr Rr Interval Ms (ms)Accepted range: 300 to 2000
Primary source
Rautaharju PM et al. A standardized procedure for locating and measuring QT intervals. J Electrocardiol. DOI: 10.1016/j.jelectrocard.2004.02.006. PMID: 15159024. Scope: Framingham RR-based QT correction: QTc = QT / (RR/1000)^0.33 with RR in milliseconds. (2004)
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