Using a peak flow meter

This is a peak flow meter and I’m going
to show you how to use it. Slide the pointer down to the
bottom of the scale. Lightly hold the meter on its edge in front of you, with the scale away from your hand. Take as deep a breath in as you can. Hold your breath. Place the mouthpiece
well into your mouth and seal your lips firmly around it. Blow as hard and as fast as you can
for a second or more, being careful not to block the mouthpiece
with your tongue or your teeth. And I’m now going to show you how to do it. INHALES EXHALES Your peak flow reading is show on
the scale against the pointer. Make a note of the reading and slide the pointer
back to the bottom of the scale. Blow in 3 times and make a note of the
reading after each time, and then compare the highest score
with your action plan. You will soon get to know your own
normal readings. You should take the peak flow reading
twice a day, morning and evening. If you become unwell, one of the first signs you might notice
is a change in your peak flow reading. If there are big differences between your
morning and evening readings, or if you start to wake at night with a
cough or a wheeze, this could be a sign that your asthma is worsening and you should seek medical advice.

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