Respiratory Disorders Expert Forum
Spirometry results
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Spirometry results

What do these results mean from a recent spirometry test:

Fev1   1.45
FVC    1.27


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242588_tn?1224275300
These spirometry results are not valid.  The FVC cannot be smaller than the FEV1.  In addition, one needs to know predicted values to interpret any data.
4 Comments
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Avatar_f_tn
I couldn't edit this, but thought I might add more info with a comment. The patient with these results is a 70-year-old caucasian male.
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Avatar_n_tn
gee i wish i could blow out more air in one second thats in my lungs
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Avatar_f_tn
Thank you, at least I know this test needs to be repeated. Maybe the numbers were transposed by the nurse. He has severe pulmonary interstitial fibrosis and history of spontaneous tension pneumothorax. After posting this, I found a spirometry calculator online and input the numbers, transposed, numbers indicating 30% to 35% lung function. But since this result is invalid, I guess I still don't know the answer to my question.  



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