Standardization of spirometry: what’s new in 2019 update (Part 2)

Abstract

Improvements in equipment, new research studies and enhanced quality assurance approaches have led to the need to update the 2005 technical standards for spirometry. The article presents the main updates, developed by an international joint task force by the American Thoracic Society and the European Respiratory Society in 2019. The characteristics of acceptability, usability, and repeatability, criteria grading the quality of the test session, the choice of main reported values are described.