China's "New Coronavirus Pneumonia Diagnosis and Treatment Program" points out that, in the resting state, the blood oxygen saturation is less than 93% during inhalation can be judged as a severe new crown;
And the high-risk groups of the severe/critical type include:
>>>>>60-year-old people;
There are cardio-cerebral and cerebral vascular diseases, chronic lung diseases, diabetes, chronic liver and kidney diseases, tumors and other underlying diseases;
immune deficiency;
obesity;
late pregnancy and perinatal women;
heavy smokers.
Tip: A smartwatch/bracelet is not a substitute for oximetry!
It can have the function of health monitoring, but it is for reference only and cannot be used as medical treatment. The function of sports watch to measure blood oxygen is not a problem for usual use, but there must be a gap compared with a professional medical device like oximeter. The function and data accuracy of smart wearable devices can already be used as daily life health monitoring and at the same time be able to become a medical auxiliary data device, like continuous monitoring of heart rate, observation of heart rate variability, respiratory rate, oxygen saturation, skin temperature, and even blood pressure monitoring, all with practical applications.