SpO2 normal value, when braether the air SpO2 measured value ≥ 95% ~ 97%.
Hypoxemia: SpO2 <95% were deoxygenated,
SpO2 <90% for mild hypoxemia,
SpO2 <85% is severe hypoxemia.
General alarm low setting should be higher than 90%.
when the spo2 value is below 90%, should pay attention to the patient condition.
keep close observation and check the patient monitor spo2 setting