1
Q
What does peak flow technique measure?
A
Expiratory reserve volume
2
Q
What is a normal peak flow?
A
400-700
Women usually around 400, men around 500-600
3
Q
Advs? of peak flow?
A
cheap, quick, portable, can use at home
4
Q
How to use peak flow?
A
Take in the biggest breath you can then blow out as fast as you can into a small tube.
Do best of 3
Give same instructions each time so results are reproducible
5
Q
Spirometer
A
Gives more detailed measurement of expiratory reserve volume
Breathing
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