Use method of oxygen retaining clip

The oxygen clamp should first open the clamp of the oximeter, and then put one finger into the cavity of the oximeter. Finally, press the function key to change the display direction. When the finger is inserted into the blood oxygen meter, the surface of the nail must face up. If the insertion finger is not completely inserted, it may lead to measurement errors. Severe hypoxemia can be life-threatening. Aa blood oxygen content is greater than or equal to 95, which is a normal index; The pulse rate is between 60 ~ 100, which is a normal index. It is suggested that you should develop good habits of work and rest at ordinary times.