The PR on the patient monitor is the abbreviation of the English pulse rate, which reflects the speed of the human pulse. The normal range is 60-100 bpm and for most normal people, the pulse rate i...
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...
