For your convenience, we've organized a glossary of inhalation terms. The glossary is also available in printable (PDF) documents. Inhalation Glossary of Terms
Anatomy of a Metered Dose Inhaler (MDI)
Consistent Delivery Valve (CDV)
Leach CL, Davidson P, Boudreau R. Increased lung and decreased mouth deposition from a CFC-free HFA-beclomethasone MDI compared to CFC-beclomethasone MDI. Eur Res J. 1998:12(suppl 29):7S.