chest x-rays

Episode 64: A Vicious Circle

 in Podcasts  tagged biostatistics / chest x-rays / diagnosis / sensitivity / shani herzig / specificity / tuberculosis / umme h. faisal / yerushalmy by

During World War II, the US Army launched a seemingly routine experiment to find the ideal way to screen soldiers for tuberculosis. Jacob Yerushalmy, the statistician in charge of this project, would succeed at this task — and end up fundamentally changing our conception of medical diagnosis in the process. […]

Episode 63: Signals

 in Podcasts  tagged chest x-rays / diagnosis / epidemiology / pathological anatomy / ROC curves / sensitivity / specificity / syphilis / test characteristics / yerushalmy by

What does it mean when different physicians disagree about a diagnosis? I am joined by Dr. Shani Herzig as we explore this issue in the second part of my series on diagnosis. We’re going to discuss the advent of signal detection theory in the middle of the 20th century as […]