For normal people, SpO2 would reach to 98%~100%. Patients who have coronavirus infection, and for mild and moderate cases, SpO2 may not be significantly affected.
For severe and critically ill pati...
Long-term oxygen inhalation can relieve pulmonary hypertension caused by hypoxia, reduce polycythemia, reduce blood viscosity, reduce the burden of right ventricle, and alleviate the occurrence and...