What does peak flow measurement assess?

Peak flow measurement assesses the presence of airway obstruction and the effectiveness of treatment in individuals with asthma or other respiratory conditions. This tool measures the highest speed at which a person can expel air from their lungs after taking a deep breath, providing insight into how well the airways are functioning.

When peak flow readings are recorded over time, they allow healthcare providers and patients to evaluate changes in lung function. Consistent monitoring can indicate whether asthma is well-controlled or if there is worsening airway obstruction. Additionally, changes in peak flow readings can help determine the effectiveness of medications, such as bronchodilators or corticosteroids, by showing improvements or declines in airflow.

Understanding peak flow measurements is essential for managing asthma effectively, enabling adjustments in treatment plans based on objective data regarding lung function.