1. Use 75% alcohol to clean the surface of the measurement site to remove the cuticle and sweat stains on human skin and prevent the electrode from bad contact.
2. Be sure to connect the ground wir...
Ultrasound technology has transformed the medical field with its non-invasive and highly accurate imaging capabilities. As one of the most widely used diagnostic tools in modern healthcare, it offe...
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 ...
