RAST

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radioallergosorbent test

 (RAST) [ra″de-o-al″er-go-sor´bent]
a radioimmunoassay for the measurement of extremely small amounts of specific IgE antibody to a variety of allergens in the serum of a patient, using an allergen complex fixed in a solid-phase matrix, passing the serum over the matrix so the allergen can catch and bind specific IgE antibodies, and detecting the antibody using radiolabeled anti–human IgE antibody. Uptake of the labeled antibody is proportional to the level of specific serum IgE antibodies to the allergen. RAST is used as an alternative to skin tests to determine sensitivity to suspected allergens.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

RAST

(răst),
Farlex Partner Medical Dictionary © Farlex 2012

RAST

Radioallergosorbent test Immunology A 'solid phase' radioisotopic method for quantifying specific allergenic IgE antibodies in serum, which is similar to an agglutination test. See Mail-order medicine, Patch testing.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

RAST

Abbreviation for radioallergosorbent test.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

RAST

Abbreviation for radioallergosorbent test.
Medical Dictionary for the Dental Professions © Farlex 2012