What are the dangers of low blood oxygen levels?
Feb 06, 2025
Source: Cainiu Health
Dr. Liu Feng
Introduction
Blood oxygen refers to blood oxygen saturation. Generally, low blood oxygen saturation may lead to hazards such as cerebral hypoxia, myocardial hypoxia, impaired respiratory function, kidney damage, and liver damage. If necessary, timely medical treatment is recommended. The brain is particularly sensitive to hypoxia; when blood oxygen saturation decreases, the oxygen supply to the brain is reduced, failing to meet its normal physiological needs, resulting in cerebral hypoxia.
Blood oxygen refers to blood oxygen saturation. Generally, low blood oxygen saturation may cause harms such as cerebral hypoxia, myocardial hypoxia, impaired respiratory function, kidney damage, and liver damage. If necessary, timely medical treatment is recommended. Detailed analysis is as follows:
1. Cerebral Hypoxia
The brain is highly sensitive to hypoxia. When blood oxygen saturation decreases, the oxygen supply to the brain reduces, failing to meet its normal physiological needs, leading to cerebral hypoxia and consequently impairing brain function.
2. Myocardial Hypoxia
Myocardial cells require sufficient oxygen to maintain their normal physiological functions. When blood oxygen saturation decreases, the oxygen supply to the myocardial cells becomes inadequate, failing to meet their metabolic needs, thus causing damage to the myocardium.
3. Impaired Respiratory Function
When blood oxygen saturation decreases, it leads to reduced gas exchange capacity in the lungs, thereby affecting blood oxygen saturation, increasing the burden on the respiratory system, and further aggravating impaired respiratory function.
4. Kidney Damage
The kidneys are important excretory organs in the body and also require sufficient oxygen to maintain their normal physiological functions. When blood oxygen saturation decreases, the oxygen supply to the kidneys becomes insufficient, leading to impaired metabolic and excretory functions.
5. Liver Damage
The liver is a metabolic organ in the human body and requires sufficient oxygen to maintain its normal physiological functions. When blood oxygen saturation decreases, the oxygen supply to the liver becomes insufficient, leading to reduced detoxification and metabolic capacity.
When decreased blood oxygen saturation is detected, prompt medical attention and appropriate treatment measures should be taken to prevent further deterioration of the condition.
