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Doctor insights on: What Does Low Carbon Dioxide Levels Mean

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What does it mean when your gas exchange levels are low when you breathe that there is to much to much carbon dioxide?

What does it mean when your gas exchange levels are low when you breathe that there is to much to much carbon dioxide?

Lung problem: Sounds like "INTERSTITIAL" Lung Disease....a blockage in the mebranes where air is exchanged! A chest x ray and more testing is necessary! Hope this helps Dr Z Read more

Dr. Randy Sussmane Stubbs
250 Doctors shared insights

Co2 (Definition)

This is a gas composed on one carbon and two oxygen molecules. Very common byproduct of respiration ...Read more


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With COPD what does a carbon dioxide level of 33 mean?

With COPD what does a carbon dioxide level of 33 mean?

CO2 and COPD: Generally, only elevated carbon dioxide (co2), which is a level over 40, has importance in COPD as it indicates severe disease. Read more

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What can cause a low carbon dioxide level in a blood test?

What can cause a low carbon dioxide level in a blood test?

Loss or acidosis: Loss of carbon dioxide (as carbon dioxide) can occur in anything that makes you breathe heavily for a long period of time. (being on a ventilator as one example). Loss through the kidney with diuretics sometime. Mostly, CO2 is in the form of bicarbonate (sodium bicarbonate). This is removed by acidity which occurs in serious organ failure (sepsis, kidney failure, etc.) Read more

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Does low carb diet affect bun and carbon dioxide levels?

Does low carb diet affect bun and carbon dioxide levels?

Always &Other Issues: Bun=blood urea nitrogen, a breakdown product of proteins being cleared. So rates of protein breakdown, combined with the amount of h20 it is in, determine the BUN (a concentration within extracellular water). Co2 (aka carbonic acid, in water) is primarily determined by rate of breathing (blowing off co2) & is the primary brain driver for breathing rate (along with exercise & anxiety). Read more

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What does elevated white blood cells and platelets but low carbon dioxide mean?

What does elevated white blood cells and platelets but low carbon dioxide mean?

Ask the ordering doc: Since there is not enough information presented here to answer accurately. Read more

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My childs potassium, alkaline phosphate, carbon dioxide are low on blood test. Test was done due to my lupus & hypothyroidism. What does this mean?

My childs potassium, alkaline phosphate, carbon dioxide are low on blood test. Test was done due to my lupus & hypothyroidism. What does this mean?

Hard to say: Random test results reported with no history or exam findings make it impossible to decide if they are important or not. The normal values vary sometimes by age and we don't know if the report used proper kid or adult standards. You should review these with whoever ordered them. Read more

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What can I do if my carbon dioxide level is 18. Should I be concerned?

What can I do if my carbon dioxide level is 18. Should I be concerned?

Depends on Basis: Co2 in water is carbonic acid & is rapidly changed, under CNS control, so as to adjust blood ph. If we ventilate (breath) faster with less activity, co2 rapidly falls, ventilate more slowly with higher activity, co2 rises. Common resting, relaxed co2? 25 mmol/l but can change rapidly and for a variety of reasons in addition to activity and ventilation rate. Read more

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What can I do if my carbon dioxide level is 18. Should I be concerned?

Co2 level low: This means acidosis. 18 is not too low. It could mean kidney problem or hyperventilation. You should see a kidney doctor for a more complete evaluation. Read more

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What is the normal range for carbon dioxide levels in the blood of a child 6 years of age?

What is the normal range for carbon dioxide levels in the blood of a child 6 years of age?

Reference Range CO2: A pediatric reference range for carbon dioxide is 18-27 meq/l. What is the context? Read more

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I am confused about carbon dioxide levels in the blood?

I am confused about carbon dioxide levels in the blood?

Confused?: Co2 is dissolved in the blood. It is related to the ph of the blood. The higher the co2, the lower the ph and visa versa. When the co2 goes up, one breaths more rapidly to blow off the co2. The co2 in the blood comes from the metabolism of cellular mechanisms and is exchanged for oxygen in the lungs. Any more questions? Read more

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How can I lower my carbon dioxide level in blood? My level was a 33

How can I lower my carbon dioxide level in blood? My level was a 33

Here are some. ..: Was the reported value from a one-time test? Do you have problem to breath? How is the significance of this value possibly implying to your clinical scenario? Please ask your treating doc for individual detail and don't jump the gun to judge its significance. Read more

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Carbon dioxide level in blood 13. Dr didn't say anything. Should I worry?

Carbon dioxide level in blood 13. Dr didn't say anything. Should I worry?

Not bad: You may have hyperventilated to lower c02 level briefly, panic attacks, aspirin, liver or kidney disease diabetese, diarrhea, dehydration, alcohol abuse, low thyroid and heart attacks and malnutrition can do it Read more

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Total carbon dioxide level "32" 5 different times. Normal is 22-29? These where blood test.... Is this worrisome? Docs?

Total carbon dioxide level "32" 5 different times. Normal is 22-29? These where blood test.... Is this worrisome? Docs?

No: If your are able to exercise, have good stamina, and good appetite without eating artificial foods/supplements, then I would not have you worry about. I'm sure the renal function and glucose are normal. Read more

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I got abg's done and they said my oxygen levels were fine but I had high carbon dioxide due too hyperventilation could you explain further please?

I got abg's done and they said my oxygen levels were fine but I had high carbon dioxide due too hyperventilation could you explain further please?

The reverse.: I believe you got the information the wrong way. It is possible you can have near normal oxygen and high carbon dioxide. This happen due to hypoventilation not due to hyperventilation. If you are hyperventilating, the opposite is bound to happen. If you are hyperventilating, you are getting rid of carbon dioxide and the level of carbon dioxide will drop. Read more

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How can hyperpnea affects partial pressure of carbon dioxide and oxygen levels in the blood?

How can hyperpnea affects partial pressure of carbon dioxide and oxygen levels in the blood?

Hyperpnea/tachypnea: The rapid breathing will blow out co2 and lower its level in the blood. This may or may not affect the o2 level depending on the cause of the tachypnea. Read more