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What is The results of the pulmonary functions tests shown below, the best diagnosis is -ParametersActualPredictedFE VI (L)1[?]23[?]5-4[?]3FVC(L)4[?]14[?]6-5[?]4FEVL'FVC (%)2972-80PEF (L/min)80440-540DLCO120%100% and explain in detail?
Ans. is 'a' i.e. Asthma o .All expiratory parameters are reduced in the data given with timed vital capacity of 29%.o FEV1/FVC is reduced in obstructive airway disease with lowering of peak expiratory flow rates. Due to air trapping in asthma the DLco may be normal or increased.