What does the pulse oximeter measure

Pulse oximeter is a non-invasive method to measure blood oxygen saturation or arterial hemoglobin saturation of patients. It can also detect the arterial pulse of the patient at the same time and calculate the heart rate of the patient. In general, pulse oximeter is mainly used to monitor the blood oxygen of patients in real time during the process of first aid or transport. In clinic, it is often used in patients with heart disease, hypertension, diabetes, especially elderly patients. When they have respiratory problems, monitoring blood oxygen indicators can better and more comprehensively monitor whether their breathing and immune system are normal. At the same time, some patients snore for a long time and use ventilators and oxygen concentrators. The treatment effect can also be monitored by oximetry. In daily life, it is often used by sports lovers in sports, such as mountain climbing lovers. It can accurately monitor the physical condition outdoors at any time to understand the most suitable state of the body. In case of danger, they can avoid danger in time and take necessary protective measures.