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Peak flow readings back to back

GreatGateway profile image
17 Replies

If you take a peak flow recording, and then 5 seconds or so later take another, would you expect a higher or lower result? I've gotten different answers from everyone I ask but I've seen mine change from 660 to 690 to 710 with 3 readings in quick succession.

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GreatGateway
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17 Replies
stone-UK profile image
stone-UK

Hi

The first will be the most difficult, as you get into rhythm I would expect some improvement.

Which seems to make sense by you continued increase.

GreatGateway profile image
GreatGateway in reply tostone-UK

Thank you; does that mean the first reading is the true value or is the highest I can manage after a few puffs the true peak flow?

stone-UK profile image
stone-UK in reply toGreatGateway

Hi

On my spirometer, they use the best from three.

piggi profile image
piggi

flippin' 'eck - I average about 130 - and can sometimes up it to 150 on the second blow by dint of squeezing out every last squirt of air before I breathe in again. When I get infections I sometimes drop to 110 - even 100 - and I really start to struggle to even move about. Last summer when I was feeling really well I managed 170 for a few weeks and felt on top of the world. So your readings are fantastically good. You lucky thing. I don't use my meter every day just when I notice a bit of a change - for the better or worse.

GreatGateway profile image
GreatGateway in reply topiggi

It does seem high but I do feel very symptomatic, plus for my height and age it's pretty average :p I think that's why I'm worried about readings in the 600s; about 100 l/min difference from my best sounds significant to me xD

O2Trees profile image
O2Trees

Opposite for me, first is usually the best.

in reply toO2Trees

Trust you to be contrary O2 :D xx

Ergendl profile image
Ergendl in reply toO2Trees

Me too.

My 3rd reading of my best of 3 is usually my highest one. It makes the average around 350 which I am happy with. x

jackdup profile image
jackdup

My PEF and FEV1 are generally best on the first blow and decrease for every subsequent blow. It is the same when I go for a PFT or spirometry.

Nanny1086 profile image
Nanny1086

I wouldn't worry tooooooo much if I was getting those readings ,on a good day I can manage 350 max ,usually I'm about 300',

MoyB profile image
MoyB

If I can get to 200 I'm thrilled!

I've always been told to take the best of 3 as the reading.

madonbrew profile image
madonbrew

I've always been told the best of 3.

twopars12 profile image
twopars12

That's very good readings, so good in fact I reckon you must be free of illness

GreatGateway profile image
GreatGateway in reply totwopars12

Unfortunately I don't feel that way; my peak flows are large because of my height and age, and they drop a huge amount if I get symptomatic. Only Ventolin helps. So as much as I don't want asthma it appears inevitable ;(

Offcut profile image
Offcut

Working in the same way Huffing Techneque does?

TwinklingStar profile image
TwinklingStar

I can get 150. That doesn't sound too good. After all the stress the DWP have caused me that doesn't surprise me at all. Thank you DWP & ATOS!

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