Diagnosis of bronchial asthma Diagnosis identified asthma patients, the combination of the following criteria: - The most common method of identifying asthma cases in the world's current epidemiological studies of asthma is to ask patients directly for asthma who have been diagnosed with asthma or for symptoms. The most common of the diseases are: cough, shortness of breath, wheezing, - Measurement of pulmonary function: aortic obstruction; FEV-1, PEF decreased; - Bronze restoration test positive.