Doctor insights on:
What Does It Mean When Your Oxygen Level Is Low
Oxygen: The normal o2 in the blood is calculated as that which should be calculated by knowing the lung, the age, water vapor pressure, etc. Very complicated. For our purposes, we set at that oxygen which will give us a saturation of hemoglobin at least 90% in the arteries. If it is lower than that it is low. ...Read more
Lung disease: Is the commonest reason for a low level of oxygen in the blood. It can also happen in heart disease if the heart is failing and fluid builds up in otherwise-healthy lungs, or if there is a hole in the heart, causing blood to bypass the right heart circulation into the lungs and skip picking up oxygen there. These are examples of some common causes. Smoking, high altitude=examples of lung reasons. ...Read more
Prior ENT exam saw no obstruction relating to sleep apnea. Today diagnosed with/apnea & low oxygen level. Does this mean I have central sleep apnea?
Sleep Study: A sleep physician will order a sleep study that will clarify your condition. CPAP is the usual initial treatment, but your sleep physician will be the one to decide what course of treatment to follow. Low O2 is a serious condition which requires immediate treatment so don't delay. ...Read more
Blood oxygen level is low, I also have ischimic small blood vesell disease shown >mri. What kind of doctor should I see.? Beside my family dr.
Find out the cause: You should see a neurologist and a pulmonologist. ...Read more
How to improve it?: You need to know the cause to be able to improve it. ...Read more
Hypoxic: A person who is poorly oxygenated is hypoxic. ...Read more
Ambient air is about: 21% o2, and healthy lungs produce a po2 of 80-100%. Babies in nicu's treated with 100% due to respiratory immaturity could get pulmonarty and retro lentar fibrosis. One does not do well with higher levels of o2. Like goldylocks, not too little, not too much: just right. ...Read more
Atelectasis: Sometimes, there can be parts of the lung not fully inflated called atelectasis. This could cause low oxygen levels and can be reversed by taking deep breaths. This type of lung exercise can be done using something called an incentive spirometer, and walking around. Hope this helps! ...Read more
Depends on cause...: Most often, this is related to obstructive sleep apnea. This is when your airway becomes "floppy" while sleeping. The airway closes and no air can pass into the lungs. Therefore, the oxygen level drops. Using oxygen at night won't fix the problem if this is related to sleep apnea. You will need a special machine that increases the pressure in your airway while sleeping. See a sleep doctor. ...Read more
Yes: Think about americans who live in denver, sherpas that live in tibet, & the maya in south america. These are populations of people who have become accustomed in one way or another to a lower atmospheric oxygen level, and in the mayans a lower blood oxygen level. Another sea-level example would be a person with emphysema who may run a blood oxygen level of 88% and still be walking around home depot. ...Read more
Depends: This really depends on the patient. For normal patient who does not smoke very low oxygen level could be defined as an oxygen saturation less than 88% or a partial pressure of oxygen measured in blood gas less than 60 mmhg. For an active smoker these numbers may be different. For someone with underlying lung disease again these numbers may be lower. ...Read more
What is normal levels of oxygen in the blood? What is considered low and what is considered dangerous? Is levels in the 80s ok?
It is low: If you are asking about oxygen saturation the level should be above 90%. Normally it it is 97 - 99%. If the levels are in the low 80s - the person should be on oxygen. The oxygen saturation is obtained via external device placed on the finger or earlobe. If you obtain arterial blood and measure oxygen level - po2 the level in 80 is ok. ...Read more
Other diseases: If you ask me what causes low o2 in a perfectly normal and healthy elderly it makes a difference. There is an alveolar to arterial ratio that changes with age, and o2 is lower in elderly by this notion alone but no to point of hypoxia. There is such thing as senile emphysema by age alone, with the changes like that of the skin. See the compressibility of finger as the machine could restrict pulse. ...Read more
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