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Doctor insights on: Carbon Dioxide Levels In Blood Normal Levels

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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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Dr. Umesh Patel
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Dr. Randy Sussmane Stubbs
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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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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. This is removed by acidity which occurs in serious organ failure (sepsis, kidney failure, etc.) ...Read more

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Dr. Umesh Patel
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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 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

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Dr. Umesh Patel
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What changes can you expect in the levels of blood oxygen and carbon dioxide in a patient who breathes rapidly and deeply for a prolonged time?

What changes can you expect in the levels of blood oxygen and carbon dioxide in a patient who breathes rapidly and deeply for a prolonged time?

Hyperventilation: Many athletes may "oxygen-load" their blood just prior to a race by doing this. Breathing rapidly will draw in more oxygen and "load up" the red blood cells' hemoglobin, and at the same time empty out more carbon dioxide than usually would be. You have to be careful doing this, because it will throw off your body's acid/base balance and make you dizzy or pass out! ...Read more

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Carbon dioxide level is high in my mother's blood & she is using bipap machine. Is there any medicine for this so that she does not have to use bipap?

Carbon dioxide level is high in my mother's blood & she is using bipap machine. Is there any medicine for this so that she does not have to use bipap?

Not likely: High serum co2 suggests chronic hypercarbia for which bipap is appropriate. No inhalers will dramatically improve hypercarbia over the short term. An alternative explanation for high serum co2 is severe metabolic alkalosis from vomiting or excessive diuretic use. An arterial blood gas can aid in telling the difference. ...Read more

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Based on symptoms had blood work-wbc 4.7l, bun 8l, carbon dioxide 33h, and anion gap 2.0vl, is this normal?

Not your Bicarb: The only thing abnormal is your serum bicarb, normally listed as you carbon dioxide on your serum chemistry. Your's is high which can be indicative of dehydration/over-diuresis. If you are on a "fluid pill" or diuretic, you might what to talk to your doctor about decreasing the dose. If not, you should hydrate. Also if your are low potassium you could have an adrenal issue vs channelopathy. ...Read more

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What effect does exercise have on the amount of carbon dioxide released by the blood?

What effect does exercise have on the amount of carbon dioxide released by the blood?

Respiration: When you exercise multiple physiological processes occur. You metabolize more thus producing more co2. Co2 is scrubbed from the blood by the lungs to eliminate it. Co2 is regulated very tightly and part of the issue is actually how fit you are - a cross country runner has a different co2 physiology than a couch potato or a smoker. ...Read more

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How does hyperpnea affect the amount of carbon dioxide and oxygen in the blood?

Low CO2, alkalemia: Deep or rapid breathing removes more gaseous co2 leading to less co2 in the blood and associated alkalemia - it has a minimal effect on oxygenation except in disease states. ...Read more

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Dr. Umesh Patel
Board Certified, Cardiology
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