Common QTc Formula Can Lead to Wrong Chemo Decisions M. Alexander Otto, PA, MMS October 18, 2022 0 ...

Women with LQTS type 2 were found to have their QT interval -- corrected with the Bazett formula (QTcB) and Fridericia's method (QTcF) -- inversely correlate with progesterone levels and the ...

Potentially lifesaving cancer therapy may be stopped because of QTc findings. But often that measurement is based on a century-old formula that is being questioned.