Respiratory alkalosis
Definition
Respiratory alkalosis is a condition marked by low levels of carbon dioxide in the blood.
See also: Alkalosis
Alternative Names
Causes
Common causes include hyperventilation, anxiety, and fever.
Any lung disease that leads to shortness of breath may also result in respiratory alkalosis.
Symptoms
The symptoms may include light-headedness, dizziness, and numbness of the hands and feet.
Exams and Tests
- Arterial blood gas
- Chest x-ray or pulmonary function test
Treatment
Treatment is aimed at the condition that causes respiratory alkalosis. Life-threatening respiratory alkalosis is very rare. Breathing into a paper bag -- or use of a mask that causes re-breathing of carbon dioxide -- helps reduce symptoms in some cases.
Outlook (Prognosis)
The prognosis is based on the condition that causes the respiratory alkalosis.
Possible Complications
Seizures may occur if the alkalosis is extremely severe. This is very rare.
When to Contact a Medical Professional
Call your health care provider if you have any symptoms of lung disease such as chronic cough or shortness of breath.
References
Murray J, Nadel J. Textbook of Respiratory Medicine. 3rd ed. Philadelphia, Pa: WB Saunders; 2000: 192-193.
Marx J. Rosen?s Emergency Medicine: Concepts and Clinical Practice. 5th ed. St. Louis, Mo: Mosby; 2002:1717-1718.
Review Date:
2/27/2006
Reviewed By:
David A. Kaufman, M.D., Assistant Professor, Division of Pulmonary, Critical Care & Sleep Medicine, Mount Sinai School of Medicine, New York, NY. Review provided by VeriMed Healthcare Network.
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