Louis Fridericia
Louis Sigurd Fridericia (1881-1947) was a Danish physician. Eponymous term - Fridericia's formula: QT interval duration related to the cube root of the RR
Bazett formula 340 1
Bazett formula
Bazett formula 'corrects' the measured QT interval to a value (QTc) attributable to a heart rate of 60 bpm. Thus providing a QT interval value that a particular patient would theoretically have if their heart rate was 60 beats/min