| CYSTIC FIBROSIS TESTING Genetic Testing - Couples planning a family
may decide to have themselves tested if one or both have a family history of CF
Sweat Test -
The sweat test is an accurate, safe, and painless way to diagnose CF. In the sweat test, a small electric current is used to carry the chemical pilocarpine into the skin of the forearm. This stimulates
sweat glands in the area to produce sweat. Over a period of 30 to 60 minutes, sweat is collected on filter paper (or gauze) and tested for chloride. A chloride reading of more than 60 mEq/L points to CF.
Pulmonary Function Tests -
PFTs; Spirometry; Spirogram; Lung function tests
Pulmonary function tests (PFTs) are breathing tests that help measure lung reserve and degree of
airflow obstruction. PFTs are done as soon as the child is old enough to be able to cooperate in the testing procedure. Infant PFTs are currently being studied.
RESOURCES
Cystic Fibrosis Testing - ACOG publications pamphlet
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