Medical Center

Reactive Airways Dysfunction Syndrome (RADS)
Exposure to a very high concentration of gas, smoke, fume, or vapor that had irritant qualities.
Symptoms consistent with asthma: cough, wheeze, dyspnea.
Onset of symptoms within 24 hours after the acute exposure and persistence of symptoms for at least 3 months.
Possibly airflow limitation on pulmonary function tests.
Airway hyperresponsiveness on methacholine challenge.
Documented absence of preceding respiratory complains
Other types of pulmonary disease excluded.

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