QT Corrected
Info
Measured QT (sec)
R-R Interval (sec)
R e s u l t s
QTc
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Info
QT Corrected
 

measured QT (sec) / sqrt(R-R Interval)  = QTc

 

Normal:

QTc should not exceed:

 

0.45 in infants < 6mo

0.44 in children

0.425 in adolescents & adults