II. Indication
- Cystic Fibrosis testing
III. Method
- Quantitative Pilocarpine Iontophoresis
- Stimulates local sweat production (parasympathetic)
- Collect sweat on gauze pads
- Analyze Sodium and chloride content
- Minimum sweat amount required: 50 mg (200 mg better)
IV. Normal
- Sweat contains <60 meq/Liter Chloride and Sodium
V. Abnormal Results
VI. Indications to repeat the test for confirmation
- Positive Test
- Suspected False Negative
VII. False Positive Tests
- Glucose 6 phosphate dehydrogenase deficiency (G6PD)
- Hypothyroidism
- Glycogen Storage Disease
- Untreated Adrenal Insufficiency
- Malnutrition
VIII. Reference
- Bakerman (1984) ABC's of Lab Data, ILD, Greenville, NC
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Concepts | Laboratory Procedure (T059) |
SnomedCT | 145410001, 145401009, 168181007, 168172001 |
English | Sweat test NOS, sweat analysis, sweat testing, sweat test, sweat tests, Sweat test NOS (procedure), Sweat screening test, Sweat test, Sweat test (procedure) |
Spanish | Prueba del sudor, test del sudor, SAI (procedimiento), Sweat test NOS, test del sudor, SAI, prueba del sudor (procedimiento), prueba del sudor |
Dutch | zweettest |
German | Schweisstest |
Japanese | カンシケン, 汗試験, アセシケン |
Czech | Vyšetření potu |
Portuguese | Teste do suor |
Italian | Test del sudore |
French | Test de la sueur |
Hungarian | Verejték vizsgálat |