The whole process of bronchial provocation test is that the patient inhales increasing concentrations of provocative medication from the lowest concentration until reaching the standard of positive lung function indexes or the appearance of positive clinical symptoms, and then give bronchodilators to let the lung function return to the basal level.
Bronchial stimulation test is clinically applicable to the diagnosis of bronchial asthma, asthma severity and prognosis assessment, research on the pathogenesis of asthma, a clinical examination means, the current clinical use is more intermittent inhalation method, simple hand-pinch nebulizer inhalation method, tidal inhalation method.
However, it is not suitable for all people, for the triggering agent allergy, the basic ventilation function is seriously impaired patients recently suffered from cardiac infarction, severe hypertension, cerebrovascular accidents, hyperthyroidism, asthma attack exacerbation period patients with caution.
If the bronchial provocation test shows positive, it is necessary to go to the corresponding department of the hospital in time, and actively cooperate with the treatment under the guidance of the doctor.