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Dr. Andrew Rynne
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Dr. Andrew Rynne

Family Physician

Exp 50 years

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Could This Oxygen Level Be The Reason For The Loss Of Consciousness?

I recently passed out and was taken to the ER where they said my oxygen level was low and co2 My co2 level is high and my oxygen level is around 87 what does this mean. I lost conscioness but my oxygen level has been like this for a long time.Sandra D
Thu, 10 May 2018
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Pulmonologist,  's  Response
Hello and Welcome to ‘Ask A Doctor’ service.
I have reviewed your query and here is my advice.

No, oxygen saturation of 87% is not causing unconscious. But raised carbon dioxide (hypercarbia) can cause unconsciousness. So in my opinion, you should evaluate yourself for low oxygen and high carbon dioxide levels. For this, you need to consult pulmonologist and get done a clinical examination of the respiratory system, chest X-ray, PFT, 2D echo and CT thorax.

Hope I have answered your query. Let me know if I can assist you further.

Regards,
Dr. Kaushal Bhavsar
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Could This Oxygen Level Be The Reason For The Loss Of Consciousness?

Hello and Welcome to ‘Ask A Doctor’ service. I have reviewed your query and here is my advice. No, oxygen saturation of 87% is not causing unconscious. But raised carbon dioxide (hypercarbia) can cause unconsciousness. So in my opinion, you should evaluate yourself for low oxygen and high carbon dioxide levels. For this, you need to consult pulmonologist and get done a clinical examination of the respiratory system, chest X-ray, PFT, 2D echo and CT thorax. Hope I have answered your query. Let me know if I can assist you further. Regards, Dr. Kaushal Bhavsar