I have just come home from a Spirometry test - I have been diagnosed in the past with Asthma and now they are telling me that I have decreased lung capacity ..... What might be the cause of that ?? .... I will be continuing on the next phase to see someone re Lung tests - but, in the meantime - what might they be looking for ??
Welcome to Chat Doctor. Thank you for posting your question. I can understand your concern. In a spirometry test, one usually cannot comment on the Lung capacity. We usually measure a ratio between FEV1 (amount of air one can forcefully breathe out in the first minute) and FVC of FORCED VITAL CAPACITY (total amount of air one can forcefully breathe out)See, there are roughly two types of diseases