Cardiology · Emergency Medicine
Corrected QT Interval (Framingham) calculator
Enter the published formula inputs below to calculate and interpret this score.
Clinical inputs
Result
Complete all required inputs to calculate the score.
Formula inputs
- QT interval (ms)Accepted range: 200 to 700
- Heart rate (/min)Accepted range: 30 to 220
Primary source
Rautaharju PM et al. QT and QTc interval measurement and QT correction for heart rate in the Framingham Heart Study. Ann Noninvasive Electrocardiol. DOI: 10.1111/j.1542-474X.2004.00001.x. PMID: 15138455. Scope: Framingham linear QT correction QTc (ms) = QT interval (ms) + 154 × (1 − RR interval in seconds), with RR = 60 / heart rate (beats/min). (2004)
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