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patch test
(redirected from Patch tests)

    Also found in: Dictionary/thesaurus, Medical, Legal, Financial, Wikipedia, Hutchinson 0.04 sec.

patch test

Controlled application of biological or chemical substances to the skin to test for allergy. Small amounts of diluted test substances applied under a patch of cloth or soft paper and an impermeable membrane are left in place for 48 hours, and the skin reaction is then examined and scored from 0 (none) to 4+ (severe blistering and redness).
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Skin patch tests use the patient's glove or latex product to screen for an immediate or delayed hypersensitivity and to evaluate the cause of the skin irritation Use of the latex product in question helps to ensure an accurate diagnosis since no standardized patch test exists.
Type I latex allergy diagnosis ends career of Florida dental assistant by Mills, Chuck / The Dental Assistant
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