sweat test


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sweat test

a test for cystic fibrosis of the pancreas in which electrolytes are measured in collected sweat; sodium chloride concentration above 50 mEq/L (children) or 60 mEq/L (adults) is positive.

sweat test

n.
A laboratory test that measures the amount of chloride and sodium in a patient's sweat, performed to diagnose cystic fibrosis.

sweat test

Pediatrics A test used to diagnose cystic fibrosis–CF, which is characterized by defects in secretion–especially of sodium and chloride–by exocrine glands. See Cystic fibrosis. Cf Sweat testing.
References in periodicals archive ?
(9) was to compare the sweat test method and the neutron activation method.
Abnormal CFTR function in sweat glands manifests as impaired salt (NaCl) reabsorption and is the physiological basis of the sweat test. The recognition of milder or atypical forms of CF associated with mild CFTR mutations and residual CFTR function has led to revision by the International Cystic Fibrosis Foundation of the lower limit of the sweat chloride reference range in the intermediate zone to 30 mmol/L for all ages (previously 40 mmol/L) (Table 1).[5]
It was impossible to distinguish between the renal and systemic types because the sweat test was not available.
Briefly, the sweat test requires the use of iontophoresis to deliver pilocarpine, which causes sweat glands to secrete sweat.
Almost all patients who carried R334W in both homozygote and heterozygous forms had respiratory problems, pancreatic insufficiency and high sweat test with diagnosis age of below 1 year.
The child diagnosed with cystic fibrosis would normaly be tested by the sweat test as elevated sweat chloride is diagnostic for cystic fibrosis.
Patients under the age of 21 years with cystic fibrosis confirmed by sweat test or genetic study receiving care at the outpatient clinics of a Teaching Hospital were included.
This article will introduce the basics of cystic fibrosis (CF), a variety of mutations within the defect, discuss testing for the disease through Sweat Test versus genetic testing, and modes of treatments and therapies.
So Frey, working with Bishop, Wool&Prince then-creative director Katie Elks '12, and students, devised a "simulated sweat test" to grow bacteria on 10 different swatches of fabric, and validated Bishop's claim.
The sweat test was found to be 37 mmol/L and the repeated sweat test was found to be 32 mmol/L.
Sweat test could not be performed successfully due to lack of production of sweat, therefore cystic fibrosis (CF) was excluded on the basis of history, absence of faecal fat and negative Delta-508 mutation (only available test for CF mutation).