Cardiology · Emergency Medicine
Corrected QT Interval (Rautaharju) calculator
Enter the published formula inputs below to calculate and interpret this score.
Clinical inputs
Result
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Formula inputs
- QT interval (ms)Accepted range: 200 to 700
- Heart rate (/min)Accepted range: 30 to 220
Primary source
Rautaharju PM et al. A simple QT interval correction formula for use in epidemiological studies. J Electrocardiol. DOI: 10.1016/S0022-0736(98)90059-1. PMID: 9776012. Scope: Rautaharju linear QT correction QTc (ms) = QT × (120 + heart rate [beats/min]) / 180. (1998)
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