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Spirometry results

Melanie1989 profile image
6 Replies

So i finally got my spirometry results, but am unsure what they mean! Fev1 was 60.7 % and fvc was 55.8%. Does anyone know what these values mean as my consultant didn't really explain.. Obviously i know for a proper interpretation i woild need a dr, but a rough idea would be good! Also residual volume was 168 %?? I also find it odd that they didn't perform reversibility..

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Melanie1989 profile image
Melanie1989
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6 Replies

FEV1 is the amount of air you can exhale in the first second of the exhaled breath, and FVC is the total forced expiratory volume. The % figure is compared to a healthy person your age and size.

Lysistrata profile image
LysistrataAdministratorCommunity Ambassador

HI, I'm also confused by the lack of reversibility which is very frustrating: they *really* need to be doing this for asthma/where asthma is a strong possibility. Usually the reason given is 'oh it was normal so no need' - which is ridiculous anyway as you can still have reversibility for all sorts of reasons even when the first figure looks 'normal'. However, those figures are well below 80% predicted which is usually the 'normal' cut off.

Perhaps it was because they look for obstruction (FEV1 <70% FVC) which you don't have - but it is entirely possible to both reduced and still have asthma. I believe the residual volume indicates whether there is air trapping (higher means there is) but you'd want to check that!

I would be inclined to ask Asthma UK nurses about this - say of course you will ask the dr but they haven't really explained it. You can hopefully understand a bit more what's going on and what the consultant might be thinking. When are you next due to see cons? Did they say anything else/any plan?

Melanie1989 profile image
Melanie1989 in reply to Lysistrata

Hi Lysistrata, it is so annoying they dont carry out reversibilty! Will give asthma uk a ring soon, as am back in hospital with yet another attack 🙄. No plan just added alvesco alongside fostair! Although at least i saw his registrar who was a lot more helpful!

Lysistrata profile image
LysistrataAdministratorCommunity Ambassador in reply to Melanie1989

ugh I hope you escape soon (but not before you're ready...another annoyance of mine!)

Glad you saw someone more helpful - i often prefer to see regs sometimes too. When is the next appt, are you just meant to plod along till then? Crossing fingers the Alvesco helps!

Melanie1989 profile image
Melanie1989 in reply to Lysistrata

Thank you! I currently am classed as a falls risk as im literally so weak, feel about 100 😂 Luckily the reg hurried the appointment along to the 19th of July, so fingers crossed!

Mel x

Yetti1 profile image
Yetti1

Melanie 1989 - a helpful page I have found is [healthline.com/health/fev1-... ] and there seems lots more information available - but - my caution, as always! - there is also a lot of misinformation around so be very sceptical. Also, when you next see your consultant, have a list [short, I hope!] of specific queries - this is important as only her/his information can apply to you and your circumstances, whereas the 'web' information will be general, may be biased/ skewed, may have values that are USA rather than UK and so confusing. You may also be seeing a respiratory physio - also a good source of you-specific advice - hope this helps -

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