British doctors are testing a mobile phone that monitors lung capacity and could help prevent serious asthma attacks.


The phone is attached to a small electronic flow meter into which the user blows twice a day. The data is then sent to a computer in a monitoring office, which analyses it and warns the patient’s doctor by email if faltering respiration points to an impending asthma attack. The physician can then contact the patient to advise on any change in medication.

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