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You are here : 3-RX.com > Medical Encyclopedia > Diseases and Conditions > Cystic Fibrosis: Diagnosis & Tests
      Category : Health Centers > Respiratory System (Lungs and Breathing)

Cystic Fibrosis

Alternate Names : CF

Cystic Fibrosis | Symptoms & Signs | Diagnosis & Tests | Prevention & Expectations | Treatment & Monitoring

How is the disease diagnosed?

Family history, persistent respiratory disease, or clinical evidence of pancreatic insufficiency may suggest the diagnosis of cystic fibrosis. The diagnosis requires an abnormal sweat chloride test. In this test, a chemical is used to stimulate sweat production. The amount of chloride in the sweat is then measured.

Screening for pancreatic insufficiency is done by measuring the levels of two enzymes in the stool. This test is not as reliable as measuring the sweat chloride level.

Lung function testing can identify certain abnormalities in the way the lungs and airways work. These abnormalities may be caused by problems other than cystic fibrosis.

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Cystic Fibrosis: Symptoms & Signs


Cystic Fibrosis: Prevention & Expectations

Author: William M. Boggs, MD
Reviewer: H. William Kelly, PharmD
Date Reviewed: 09/04/01

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