In addition to the two-dimensional anatomical information obtained by black-and-white ultrasound examination, patients can also use color Doppler blood flow imaging technology in color ultrasound...
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 ...
With the improvement of living standards, people pay more and more attention to health. Monitoring their health at any time has become a habit of some people, and buying a variety of household heal...
