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what to expect from PFT test?

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#1 Monica38


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Posted 26 April 2009 - 09:21 AM


Here I am again.

I already got a lung X ray and a regular doctor says it is normal. I told him I may have Sjogrens. He said yes it seems you have bronchitis, gave me erythromycin. I wish he had given me another antibiotic less full of side effects.

I have a PFT scheduled with another doctor, this week and soon a Lung CT scan. How does the PFT works?? Does it hurt??

What if a person is very very very very sedentary? I wonder if the lack of any activity reflect in these results.
Monica In PA
generalized morphea /probably + Sjogren's

#2 Jeannie McClelland

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Posted 26 April 2009 - 12:35 PM

Hi Monica,

Will a radiologist or pulmonologist be looking at your chest x-ray? My general practitioner had diagnosed me with pneumonia twice solely on the basis of a chest x-ray, but after I was diagnosed with pulmonary fibrosis, he said on second thought maybe I hadn't had pneumonia after all. :blink:

PFT's are interesting and no, they don't hurt. Mostly they consist of blowing into a mouthpiece. I always pretend the mouthpiece is a snorkel and I am swimming someplace warm, sunny, and beautiful. :lol:

If they do the whole range of pulmonary function tests, you will also get to blow into the mouthpiece while sitting in a clear glass booth. They may also test you before and after using an inhaler to see if that makes a difference. There are different types of breathing tests that can be done. They include spirometry, lung volumes and diffusing capacity. Spirometry can show how much air you can breathe in and out. It also shows how fast you can breathe in and out. Lung volumes can provide further information about how your lungs are functioning. Diffusing capacity can show how well your lungs move oxygen from the lungs to the blood.

If you are completely sedentary, it can show up, but the combination of tests you are having will show if there is something more than 'deconditioning' at work.

Keep posting and let us know how you get on with the tests, OK?

Best wishes and warm hugs,
Jeannie McClelland
(Retired) ISN Director of Support Services
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International Scleroderma Network