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Cardiology · Emergency Medicine

Corrected QT Interval (Rautaharju) calculator

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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 Ă— (120 + heart rate [beats/min]) / 180. (1998)

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