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Equations of Nunn and Gregg for Predicting Peak Expiratory Flow (PEF) in Adults

Purpose:

To estimate the peak expiratory flow (PEF) in an adult to identify airflow obstruction, particularly in asthma.

Specialty:

Pulmonary Disease, Pediatric Pulmonology

Objective:

clinical diagnosis, including family history for genetics, other testing, severity, prognosis, stage

ICD-10:

J20-J22, J40-J47, J20-J22, J40-J47, R94.2

Description:

The peak expiratory flow (PEF) is used in the evaluation of airway obstruction, particularly in patients with asthma. The equations proposed by Nunn and Gregg can be used to estimate a patient's expected PEF for age, gender and height.

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