Aetna Intelihealth
Aetna: Inteli Health: Using a Peak Flow Meter
This article briefly describes how a peak flow meter can help you determine the severity of your asthma using peak flow "zones."
Aetna Intelihealth
Aetna: Inteli Health: Classifying Your Asthma
This article helps you classify your asthma as mild, moderate, or severe.