What is the normal range for a finger-clip pulse oximeter?
A pulse oximeter reading of 95% or higher is considered normal.
A finger-clip pulse oximeter is a device used to monitor blood oxygen saturation. It serves as an initial assessment tool for detecting whether a patient is experiencing hypoxia and has high clinical utility, although it also has certain limitations. The device displays two key measurements: one is SpO₂, which refers to blood oxygen saturation—i.e., the amount of oxygen in the bloodstream—with a normal value of 95% or above; the other is PR, which stands for pulse rate, normally ranging between 60 and 100 beats per minute.
If low blood oxygen levels are caused by acute respiratory failure, treatments may include inhaled salbutamol to dilate the airways, oral ambroxol for expectoration, aminophylline for asthma relief, and inhaled terbutaline to relieve bronchospasm. Under medical guidance, anti-infective therapy with medications such as moxifloxacin capsules or ceftazidime tablets may also be prescribed. If necessary, mechanical ventilation should be administered to maintain normal respiratory function.
When using a finger-clip pulse oximeter, careful observation is important. Discontinue use immediately if any malfunction is detected. Before use, clean the surface of the oximeter, and check the佩戴 site every 1–2 hours to ensure proper skin condition and correct alignment with light sensors.