Image by Wikipedia At least in the ENT world, a pulmonary stress test is a very useful test when evaluating a patient with symptoms of shortness of breath, stridor, and/or wheezing that occurs only when exercising. The most common reason for an ENT evaluation in these patients is to determine whether paradoxical vocal cord motion is occurring or some other pathology such as tracheomalacia or laryngomalacia . Usually, the patient has already undergone extensive pulmonary testing for asthma…