This study found that switching from a conventional troponin assay to a high-sensitivity troponin assay resulted in changes to diagnosis patterns and stress testing trends. Objectives: ...

To the Editor: In his report on penicillin-sensitivity testing in the September 5, 1957, issue of the Journal, Major Vernon M. Smith presents a relatively safe and simple procedure. Such testing is ...

It’s time to change how we think about the sensitivity of testing for Covid-19. The Food and Drug Administration (FDA) and the scientific community are currently almost exclusively focused on test ...