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What’s is FEV1

Answer

Forced Expiratory Volume in 1 second (FEV₁) is a key spirometric measure used to assess lung function.

Clinical significance

Limitations

Alternative measures

In conclusion, FEV₁ is a vital measure in assessing lung function, with significant clinical utility in diagnosing and staging respiratory diseases, predicting mortality, and interpreting lung function. However, it has limitations and may be complemented by other measures in certain contexts.

References

1

Eur Respir J 2007

Abstract

Forced expiratory volume in one second: not just a lung function test but a marker of premature death from all causes

PubMed
Highly cited