Corrected QT Interval (QTc)

Alex Saige, MD, is a cardiologist at the Edith Wolfson Medical Center in Israel. Previously, he was a researcher for the Framingham Heart Study in Boston, Massachusetts. Dr. Saige’s primary research is focused on heart valve diseases and transesophageal echocardiography.

Louis S. Fridericia, MD, (d. 1947) was a professor of hygiene at the Hygienic Institute of the University of Copenhagen in Denmark. He was also the president of the Medical Society of Copenhagen. Dr. Fridericia’s primary research was focused on duration of systole in an electrocardiogram in heart disease.

Henry Cuthbert Bazett, MD, (d. 1950) was the head of the Department of Physiology at the University of Pennsylvania and was a leader of the American Society of Physiology. He served in the British Medical Corps in World War I. Dr. Bazett is best known for his work with electrocardiogram interpretation and contributed greatly to the study of circulation in humans by using invasive catheterization.