A peak flow meter is sensitive enough to detect these changes in your lungs for hours or even days before you notice asthma symptoms. Using a peak flow meter can help prevent a severe asthma attack.

TeleBreather is a remote, electronic, handheld device that one can use at home to test how well the lungs are working. It accurately measures various volumes of air that can forcibly expel from ...

Asthma and Peak Flow Meters Learning how to monitor your asthma will help you know when to seek asthma emergency treatment. Taking regular peak flow meter readings is often the foundation of good ...

Both can occur at any age. You can easily screen yourself for them by using a device called a peak-flow meter; these are quite widely available and cost around £10.