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A 42-year-old member asked:

How does smoking affect arterial blood gas results?

1 doctor answer1 doctor weighed in
Dr. Stephen Siegel
Pulmonology 38 years experience
Measure CO level: An arterial blood gas measures the blood pH (normal 7.40), po2 (partial pressure of oxygen), pco2, partial pressure of co2 and the bicarbonate (sodium bicarbonate) level is calculated. Smoking increases carboxyhemoglobin level with carbon monoxide binding to the hemoglobin displacing oxygen. The po2 is unaffected by carbon monoxide but the hemoglobin delivers carbon monoxide (a poison) to tissues instead of oxygen.

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A 20-year-old male asked:

How can I explain arterial blood gas?

1 doctor answer2 doctors weighed in
Dr. Robert Killian
General Practice 28 years experience
Blood Gases: I am not sure what context you are asking about. The questions is very ambiguous. What specifically prompts this question? But, blood gases tell the medical team how well the oxygen and carbon dioxide balance is being maintained in the body. It can tell how the fragile balance of being acidic or basic is in a sick person. It is used in many instances in the hospital with very ill patients.
A 33-year-old member asked:

What are they looking for in a arterial blood gas?

1 doctor answer2 doctors weighed in
Dr. Edward Goldberg
Specializes in Gastroenterology
O2/CO2 exchange: Abg is used for two purposes: 1) how your lungs are handling the exchange of oxygen and carbon dioxide 2) the acid/base metabolism affected by breathing and various metabolic disturbances (eg., diabetic coma, toxic ingestion of substances, sepsis).

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Last updated Jan 12, 2015
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