For what it's worth i dont think this reversal has any legs.
Been looking into the technology and i just dont see that GP's will be recommending this product. Not all people wheeze when having an asthma event. I think its something like only 70% wheeze. Also from what i have read the wheeze rate isnt a direct reflection of lung capacity because the wheeze sound comes up at different lung capacity levels with the earliest sound somewhere around 70% lung capacity. The flow meter people blow into is a direct reflection of lung capacity. Yes some people have trouble blowing into a flow meter but there are other technologies out there that overcome this just from measuring breath.
http://mgcdiagnostics.com/products/view/resmon-pro-forced-oscillation
One only has to see that limited or almost no reviews by peers recommending this form of asthma detection from Isonea. It may sell as a gimmick tied to an App but unless the GP's push the product it wont sell as much as envisioned.
If someone can find some reviews posted in peer review journals please post the links.
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