QT Interval Correction (EKG)

QT Interval  
Heart Rate  

RR Interval  
QTI Corrected  
Decimal Precision  


Equations used
RRInterval = 60 / HeartRate
QTICorrected = QTInterval / sqr(RRInterval)


  1. Bazett HC. An analysis of the time relationships of electrocardiograms. Heart. 1920;7:355-70.
  2. Malik M. Problems of heart rate correction in assessment of drug-induced QT interval prolongation. J Cardiovasc Electrophysiol. 2001 Apr;12(4):411-20. PubMed ID: 11332559 PubMed Logo



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