Condition
Peak flow
Andrey Nailor, M.D.Published 1 May 20051 min read
Key points
- The peak expiratory flow rate measures how fast a person can exhale air.
- It is one of many tests that measure the function of the airways, which are commonly affected by diseases such as Asthma, or Chronic obstructive pulmonary disease (COPD, usually a combination of Emphysema and Chronic bronchitis).
Alternative names
Peak expiratory flow rate
Definition
The peak expiratory flow rate measures how fast a person can exhale air. It is one of many tests that measure the function of the airways, which are commonly affected by diseases such as Asthma, or Chronic obstructive pulmonary disease (COPD, usually a combination of Emphysema and Chronic bronchitis).
Written and revised by
Andrey Nailor, M.D.
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