Well, the revision idea was a fail!
So, I just borrowed my mum's peak flow meter. She didn't have asthma- it was for something else, though what I'm not quite sure. Anyway, I've had a couple of attempts and the highest value I could get was 440. Using the table in the box with it, and my height, this value is below normal :(. I'm about 5 foot 2 and a half. The value for 5 foot 2 is 258, and the value for 5 foot 3 is 461. This was within an hour of using my reliever. However, hay fever could be acting up as my neighbour is mowing his lawn on one side of the house and the other side has a field full of those horrible yellow plants (rape seed oil maybe?). Also, the meter is very old and has a label on the back that says it is valid for 3 years so not quite sure how much I trust it.
I gave up having any more attempts, they were just getting lower and I was starting to get a bit dizzy!
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