Children using a pressurized metered dose inhaler

Upper left: Note mist leaking from child’s mouth illustrating difficulty young children have coordinating use of MDIs even when cooperative

Upper right: MDI through AeroChamber with mouthpiece (a mask is not needed for this 5 y.o. girl)

Lower left: MDI through AeroChamber with soft flexible face mask

Lower middle: MDI through Pari Vortex with soft flexible face mask

Lower right: Proper hand position to maintain seal of face mask for a child who wiggles (the hand and mask will move with the face)