Performance Characteristics of Spirometry with Negative Bronchodilator Response and Methacholine Challenge Testing and Implications for Asthma Diagnos...

Samir Gupta, MD, and Donald W. Cockcroft, MD, join CHEST Podcast Moderator, Gretchen Winter, MD, to discuss the performance characteristics of spirometry with bronchodilator response testing and methacholine challenge testing in a large real-world cohort of patients with asthma. DOI: https://doi.org/10.1016/j.chest.2020.03.052