Newborns will face all kinds of life-critical tests after they are born. Whether it is inborn abnormalities or abnormalities that appear after birth, some of them are physiological and will gradual...
SpO₂ is one of the important indicators of physical health. The SpO₂ of a normal healthy person should be kept between 95%-100%. If it is lower than 90%, it has entered the range of hypoxia, and on...