Sweat test
Sweat test is a diagnostic procedure used to measure the concentration of chloride in sweat. It is most commonly used to diagnose cystic fibrosis, a genetic disorder that affects the lungs and digestive system.
Procedure[edit | edit source]
The sweat test is a non-invasive procedure that involves stimulating sweat production on a small patch of skin on the arm or leg. This is usually done by applying a chemical called pilocarpine and then using a mild electrical current to promote sweat production. The sweat is then collected on a special paper or in a plastic coil and sent to a laboratory for analysis.
Interpretation[edit | edit source]
The results of a sweat test are usually available within a few days. A high level of chloride in the sweat is indicative of cystic fibrosis. However, a normal result does not necessarily rule out the disease, especially in newborns who may not produce enough sweat for the test.
Risks[edit | edit source]
The sweat test is generally considered safe. The electrical current used to stimulate sweat production can cause mild discomfort, but it is not harmful. There is also a small risk of skin irritation from the pilocarpine.
See also[edit | edit source]
References[edit | edit source]
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