10 likes | 179 Views
Patient with symptoms. Whole-body plethysmography: FEV 1 /VC < 0.70 and/or FEV 1 < 80%. Yes. No. Bronchial provocation with Methacholin: Causing fall of FEV 1 > 20%. Bronchodilator reversibility testing. FEV 1 < 12%. FEV 1 > 12% and > 200ml but norm value not reached.
E N D
Patient with symptoms Whole-body plethysmography: FEV1/VC < 0.70 and/or FEV1< 80% Yes No Bronchial provocation with Methacholin: Causing fall of FEV1> 20% Bronchodilator reversibility testing FEV1 < 12% FEV1> 12% and > 200ml but norm value not reached FEV1> 12% and > 200ml and norm value reached No Yes No OAD Asthma Overlap between asthma and COPD COPD