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What is The pulmonary function test done on this patient of asthma would be and explain in detail?
The patient is having atopic asthma.Pulmonary function tests in asthma show an obstructive pattern with reduced FEV1,FEV1/FVC ratio.Reversibility is demonstrated by a >12% and 200 ml increase in FEV1 15 minutes after an inhaled sho acting beta2 agonist or in some patients by a 2 to 4 week trial of oral coicosteroids. Ref:Harrison's medicine-18th edition,page no:2109.