Exercise-induced bronchoconstriction: diagnosis and management.

Exercise-induced bronchoconstriction describes the narrowing of the airway that occurs with exercise. More than 10 percent of the general population and up to 90 percent of persons previously diagnosed with asthma have exercise-induced bronchoconstriction. Common symptoms include coughing, wheezing, and chest tightness with exercise; however, many athletes will present with nonspecific symptoms, such as fatigue and impaired performance.

When an athlete can't catch his breath.

Don't rely on self-reported symptoms to diagnose exercise-induced bronchoconstriction (EIB). Indirect testing is the best way to diagnose EIB in patients who do not have underlying asthma. Short-acting beta2-agonists should be first-line management in EIB.

Ulcerative colitis: diagnosis and treatment.

Ulcerative colitis is a chronic disease with recurrent symptoms and significant morbidity. The precise etiology is still unknown. As many as 25 percent of patients with ulcerative colitis have extraintestinal manifestations.