A cutoff of 4 mg/mL or less in the methacholine challenge test would recognize most children suspected of having asthma, according to recent study results. “There was no difference in the number of ...

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 ...

Please provide your email address to receive an email when new articles are posted on . Methacholine and exercise challenge tests with impulse oscillometry were used to identify probable asthma in ...

Background Methacholine hyperresponsiveness is prevalent in elite athletes. Comparative studies have hitherto been limited to methacholine, eucapnic voluntary hyperpnoea and exercise. This study ...

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 ...