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+--- Thread: FEV1 and copd... - thaaj (/showthread.php?tid=593408)
FEV1 and copd... - thaaj - ArchivalUser - 06-20-2011
There is some relation given in mtb3 abt fev1 and copd. FEV1 < 1.5 L means severe copd according to it. I didn't understand this ,searched in google but didn't find it. Everywhere it's given FEV1 80-120% is normal , not mentioned in terms of litres. Can anyone make this concept clear to me?
0 - ArchivalUser - 06-20-2011
The concept of COPD classification is based on so-called GOLD criteria. In stage 0 of GOLD criteria the patient has normal PFT together with sputum or cough.
In stages I-IV FEV1/FVC ratio =80% predicted
II. 50%
0 - ArchivalUser - 06-20-2011
II. between 80 and 50, III.between 30 and 50%, IV.
0 - ArchivalUser - 06-20-2011
IV.
0 - ArchivalUser - 06-20-2011
thanks... found additional information here ...
http://www.dwp.gov.uk/publications/specialist-guides/medical-conditions/a-z-of-medical-conditions/copd/readings-copd.shtml