The pulse oximeter is mainly to check the blood oxygen saturation of the patient and reflect the ability of blood perfusion. It is usually expressed by PI. The larger the PI value, the greater the pulsating blood flow. It is usually suitable for patients with vascular diseases. Such as hypertension, coronary heart disease, cerebral thrombosis and other diseases.
Blood oxygen saturation refers to the volume ratio of oxygenated hemoglobin to effective hemoglobin. In a broad sense, oxygen saturation often refers to the percentage of oxygen content in a blood sample to the maximum oxygen content of the blood sample. Blood oxygen saturation refers to the volume ratio of oxygenated hemoglobin to effective hemoglobin. In a broad sense, oxygen saturation often refers to the percentage of oxygen content in a blood sample to the maximum oxygen content of the blood sample. The blood oxygen saturation monitor is an instrument for monitoring blood oxygen saturation.
Suggestions:
1. Normal blood oxygen saturation is generally above 95%.
2. Generally, blood oxygen saturation below 90% is a relatively dangerous situation.
3. However, some elderly people, especially those with lungs, sleep apnea syndrome and other diseases, may have low blood oxygen saturation due to the tolerance caused by long-term hypoxia.
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