Imagine a small device no bigger than a lipstick tube that could help detect a serious health issue before it becomes life-threatening. That device exists—it’s called a pulse oximeter. Once o...
Fingertip pulse oximeter was invented by Millikan in the 1940s to monitor the concentration of oxygen in arterial blood, an important indicator of the severity of COVID-19. Yonker now explains how ...
As one of the most popular examination instruments in hospitals, the ECG machine is also the medical instrument that front-line medical staff have the most chance to touch. The the main contents of...
