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. 2023 Jan 30;11:13. doi: 10.1186/s40337-022-00724-5

Table 5.

Formulae for the calculation of the corrected QT interval [80]

Bazett formula for corrected QT interval Friderica formula for corrected QT interval
QTcB=QTintervalinsecondsCardiaccycleinseconds=QTRR QTcF=QTintervalinsecondsCardiaccycleinseconds3=QTRR