C112285Level 8

Forced Expiratory Volume in 1 Second Reversibility

**Semantic type:** Quantitative Concept

**Definition:** The change in FEV1 following administration of a bronchodilator relative to the pre-treatment FEV1 value. (CDISC)

**Synonyms:** - FEV1 Reversibility - FEV1 Reversibility - FEV1 Reversibility - FEV1REV

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