Nuvoair AIR NEXT Manual Del Usuario página 5

PERFORM A LUNG FUNCTION TEST
4
Take a slow deep breath - as
deep as you can.
5
Close your lips around the
opening of the turbine.
5
6
Test
2s
Your exhalation should
exceed 6 seconds in order
to obtain a high quality test.
Blow as hard and as fast
as you can into the mouth-
piece.
EN