The guidelines [1] on using methacholine challenge testing (MCCT) to evaluate for airway hyperresponsiveness (AHR), published in 2000, provided a figure that allowed clinicians to calculate posttest ...
ROCHESTER, Minn. -- Mayo Clinic researchers have found that an asthma diagnostic test, the exhaled nitric oxide test, is an inexpensive, quick and easy way to determine whether inhaled corticosteroids ...