Doctor insights on:
Normal Blood Oxygen
What is normal levels of oxygen in the blood? What is considered low and what is considered dangerous? Is levels in the 80s ok?
Oxygen level....: The oxygen saturation, or pulse oximetry, should be in the 90's normally. Any value of less than 88% on room air qualifies a patient for supplemental oxygen therapy. So, an oxygen saturation in the 80s is not normal. Your doctor will need to find out why your oxygen level is low and provide treatment. ...Read moreSee 2 more doctor answers
Can you please explain how and why with low iron sometimes not have a normal amount of oxygen in their blood?
Why does my platelet count bounce so much but never becomes "normal" ? And why is my oxygen low in my blood? I ask these of my dr & get nothing.
Oxygen sat curve: If you look at the p50 or oxygen saturation curve, anything above 90% is ok for the hemoglobin to unload as it gets into the tissues and supply them. As the curve goes down to 75% about pao2 of 45, this nears the saturation in the veins where unloading of oxygen to the tissues including heart muscles becomes difficult and there will be eventual death as it gets lower than that. ...Read more
I am always short of breath and breathing tests are normal. Could I have to little oxygen in my blood. If so, what kind of test would determine it?
When I was diagnosed with sleep apnea, the doctor said my blood oxygen level was normal. Do I actually need a cpap?
CPAP: Normal oxygen does not mean that your oxygen saturation did not drop. If you have symptoms of sleep apnea like daytime somnolence, problems concentrating or with memory or irritability or if you have high blood pressure, stroke/tia, coronary artery disease, atrial fibrillation, you have to be treated. Also moderate and severe osa have to be treated, even w/o anything of the above. ...Read moreSee 2 more doctor answers
I have been getting frequent headaches followed by severe light headedness I had my blood pressure/sugar and oxygen levels tested all came back normal?
Concerning: Please see your doctor soon (like monday - tomorrow). This is concerning although it could be many things. It could be migraines but it could also be increased pressure in the head (intracranial pressure), a hormone imbalance (usually the stress hormones), a thyroid issue, a blockage in an artery in the neck, infection, or something else. ...Read moreSee 2 more doctor answers
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