Henry Cuthbert Bazett (1885-1950) 680

Henry Bazett

Henry Cuthbert Bazett (1885 – 1950) was an English physiologist. Eponym: Bazett's formula to calculate QTc interval for varying heart rates
Fridericia Formula 340 2

Fridericia Formula

Fridericia Formula for calculating the QT interval on an (ECG) according to heart rate, described in 1920. Louis Sigurd Fridericia (1881-1947)
Willem Einthoven (1860 - 1927) 340

Willem Einthoven

Willem Einthoven (1860 – 1927) was a Dutch physician and physiologist. Invented the first practical electrocardiogram (ECG) in 1903