Blood Oxygen (Sp02)Updated a month ago

Overview:

• Blood-oxygen saturation (SpO2:) is the percentage of oxyhemoglobin (HbO2) compared to the total hemoglobin (Hb) in the blood. It's a key measure of the body's respiratory function.

Detailed Explanation

• Human blood consists of two types of hemoglobin: oxyhemoglobin and deoxyhemoglobin. These two forms absorb different amounts of light at various wavelengths. When arteries pulse and blood flow changes, the amount of light absorbed also fluctuates. In contrast, the light absorption of surrounding tissues, such as skin, muscles, and bones, remains relatively constant.

• This difference allows for the measurement of blood-oxygen saturation (SpO2:). By analyzing the changes in light absorption caused by variations in blood volume, we can accurately determine SpO2 levels, providing vital information about a person's respiratory function.

Reference Value Ranges

• Normal: 90% -100%

• Low: 70% - 89%

• Hypoxia:<70%

Precautions

• Factors such as arm hair, tattoos, movement, low temperature, and improper wearing can affect measurement results and may even cause errors.

• This function is for reference only and should not be used for medical diagnosis. If you feel unwell, please consult a healthcare professional.