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COPD (Chronic Obstructive Pulmonary Disease)

CO2 Level



My mom is in the hospial right now. Her co2 level is 90 when she first came in a week ago it was 70 she is diagnosed with severe copd. How can the co2 level be brought back down or what can i expect? She is on the B-PAP machine again today to see if that helps.


Carbon dioxide retention is a common problem in COPD.  This is caused by the inability of the body to exhale it due to the damage caused by the COPD. The damage is due to structural loss, the lungs do not empty efficiently. 


The physicians providing for your mother's care are the best to answer questions related to their plan of care for your mom.  The use of BiPAP is indicated with CO2 retention.  If your mom has low oxygen levels, she may also need oxygen therapy.

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Response by:

Gerene S Bauldoff, RN, PhD, FCCP, FAACVPR, FAAN Gerene S Bauldoff, RN, PhD, FCCP, FAACVPR, FAAN
Professor of Clinical Nursing
College of Nursing
The Ohio State University