Pediatric Peak Flow Meter Normal Range Children

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Alternative Names

Peak flow


Normal Values

Normal values vary based on a person's age, sex, and size. Peak flow measurements are most useful when a person compares the number on a given day to his or her "personal best."

A fall in peak flow can signal the onset of a lung disease flare, especially when it occurs with symptoms such as:

  • Increased cough
  • Shortness of breath
  • Wheezing

Early treatment may be needed to prevent complications.


What abnormal results mean

Peak air flow during exhalation decreases when...

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