Airway obstruction and the FVC
Spirometry is the most commonly performed (and mis-performed) pulmonary function test around the world. The apparent simplicity of spirometry is misleading since there are numerous subtleties that …
Month April 2016
LLN versus 80%
Recently a rather eminent reader commented on an older blog entry. He finished his comment with a paragraph on another topic, however. Specifically: By the way, it is also high time that we scuttle…
State Licensure requirements for PFT Testing
There has been a fair amount of confusion about PFT lab staff licensure requirements. This information is not available on the AARC website, nor on any of the AARC state society websites. A month o…