A Peak Flow Meter measure how fast people breathe out, giving them their peak flow score. This can indicate whether their airways are narrowed.
A low peak flow can be a sign that someone has asthma, although other tests such as spirometry will often be needed to confirm the diagnosis. For someone who has already been diagnosed with asthma, measuring their peak flow regularly can be a great way of monitoring their condition.
Supplied with a plastic reusable mouthpiece for hygiene purposes.
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