Therefore, the monitoring of arterial oxygen saturation (SaO2) can estimate the oxygenation and hemoglobin carrying capacity in the lungs. The oxygen saturation of arterial blood of healthy people is not less than 98%, and the oxygen saturation of venous blood is 75%.
Whether the metabolic process for human beings or other organisms, it is a biological oxidation process. The oxygen consumed in the human body’s metabolic process enters the lungs through respiration and then transports into the human blood by the lungs. They combine with the Hemoglobin (Hb) to produce oxyhemoglobin (HbO2) and are transported to various tissue cells through blood vessels. The spo2 is used to judge the blood's ability to carry and transport oxygen.
The harm of low blood oxygen saturation
Blood oxygen saturation is one of the indicators of physical health. The blood oxygen saturation of a healthy person is between 95%-100%. If it is less than 90%, it has entered the range of hypoxia, and once it is lower than 80% is severe hypoxia, which can cause damage to the body and endanger life.
What Would the low spo2 Cause
1. Shortness of breath
One of the common symptoms of low blood oxygen saturation is shortness of breath. Once the symptoms of shortness of breath occur, it means that the patient must receive treatment immediately. Similarly, because of other chronic respiratory diseases, such as chronic obstructive pulmonary diseases, emphysema, and chronic bronchitis, we have the symptoms of shortness of breath, which will prevent enough oxygen from reaching the bloodstream. If there is a long time of blood oxygen saturation, it will cause permanent damage to the body's respiratory system.
2. Shortness of Energy
Our bodies need a lot of energy to maintain our survival. Oxygen is one of the sources of energy for tissue cells, so low blood oxygen saturation will affect the energy source of cells. And insufficient energy will cause fatigue, slow thinking, decreased concentration, and other representative symptoms. When we are tired, we yawn. It is a process in which the body takes the initiative to inhale more oxygen. If you often have symptoms of fatigue, you should also pay attention to whether it is because of low blood oxygen saturation.
3. The Damage to brain
The brain is the most sensitive organ to hypoxia. Once the brain cells are hypoxia, it will seriously affect our health. And even cause irreversible brain damage and life-threatening. Continuous low blood oxygen saturation can cause mental problems such as memory loss, personality changes, and so on.
4. High Altitude Pulmonary Edema
The environment changing will also cause the low spo2. When in high altitude areas, the air is thinner, and the oxygen in the air is much lower than in plain areas. When we exercise, it is easy to cause hypoxia, and then symptoms of headache, edema, and shortness of breath will appear.
The relationship between snoring and blood oxygen saturation
Snoring is a problem that many people have. There are many health problems caused by snoring. Among them, the decrease of blood oxygen saturation is related to snoring.
Young people snoring may be due to physical tiredness or sleeping posture. But because young people are healthy, even if they hold their breath for 1-2 minutes, there will be no obvious symptom, but if the elderly hold their breath for 20 seconds, it leads to the fluctuation of spo2.
Monitoring data have shown that if the blood oxygen saturation is lower than 70% during sleep, you must go to the hospital for treatment. If the blood oxygen concentration is lower than 65% due to snoring and suffocation, there is a risk of sudden death at night.
There are three ways for snoring treatment.
1, Remove excess fat with surgery to open the passage in the mouth and allow air to flow in and out smoothly. But not all people can have the surgery.
2, The second is to use oral appliances. To bite something in the mouth while sleeping to solve the snoring problem by changing the mouth closure.
3, The third is to use a ventilator. The ventilator is a more widely popular method, and it is also the most effective method. This method is more suitable for obese patients. The only drawback is that it has to be used for a long time.
How to maintain normal blood oxygen saturation?
Usually, the value of blood oxygen saturation is too high or too low, which is not good, indicating that there may be problems with the body. Therefore, maintaining the health value of blood oxygen saturation is critical. So, how to maintain normal blood oxygen saturation?
1. For the elderly or people with breath disease, it is better to keep oxygen cylinders or oxygen tanks at home or nearby to increase blood oxygen saturation. This kind of oxygen product is also available for most medical stores. We can have one in case of an emergency.
2. Exercise is the best way to promote blood circulation and increase oxygen levels. We can choose some aerobic exercises daily, such as walk, swim, jog, or yoga. These are all exercises that can increase blood oxygen saturation without being too strenuous. If you have some respiratory diseases, you cannot choose strenuous exercise.
3. The poor air in the city has lower oxygen, which would lead us to a low spo2. So we can visit places with a good environment and get fresh air once a week.
4. People, who are obese or have respiratory diseases, will suffer from breathing disorders during sleep, that is, snoring. If it is severe, it will lead to less air intake and cause low spo2. Therefore, it is necessary to maintain healthy living habits, quit smoking and alcohol to avoid obesity, and maintain a side-lying position during sleep, which will reduce snoring during sleep.
5. Studies have shown that anemia can also lead to insufficient blood oxygen, so it is better to eat more vitamins and iron-rich foods, such as spinach and other green leafy vegetables. Three meals a day are on time, and good eating habits can maintain the health of the body.
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