COPD: There are hand held spirometers that can make a diagnosis of COPD. For stage IIi you needs FEV1/FVC <0.7 and FEV1 between 30-50% so it can be made by the hand held spirometers. https://www.nhlbi.nih.gov/health/health-topics/topics/copd/diagnosis http://www.aafp.org/afp/2008/0701/p87.html
Answered 2/1/2016
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