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支气管哮喘(以下简称哮喘)是一种异质性疾病,通常以慢性气道炎症为特征,具有反复发作的喘息、气促、胸闷和咳嗽等呼吸道症状,症状发作的持续时间及严重程度有所不同,同时伴有可变的气流受限。根据病史和体检医师可对大多数症状典型的患者作出正确诊断,但临床表现不典型者常被漏诊或误诊。
Bronchial asthma (hereinafter referred to as asthma) is a heterogeneous disease characterized by chronic airway inflammation, with recurrent wheezing, shortness of breath, chest tightness and coughing and other respiratory symptoms, the duration and severity of symptoms onset Different, accompanied by a variable airflow limitation. According to medical history and physical examination physicians can make the most correct diagnosis of most patients with typical symptoms, but atypical clinical manifestations are often missed or misdiagnosed.