喘息是婴幼儿常见症状。虽不是所有的喘息患儿都是哮喘,但大多数有喘息(喘鸣)者为哮喘。一、哮喘定义由于气管及支气管对各种刺激反应增强,气道易发生广泛狭窄,其病情可自发或经治疗后缓解。本定义亦适合于2岁以下婴幼儿。Mok及Levison认为不论任何年龄,经常喘息≥3次(除外心脏等其他疾病)应考虑有哮喘,与其有无特应性、明显发作诱因及发作频率无关,遗憾的是很多临床医师认为 Breathing is a common symptom in infants and young children. Although not all asthmatic children are asthmatic, most have wheezing (wheezing) asthma. First, the definition of asthma Because of the trachea and bronchial response to various stimuli, airway prone to extensive stenosis, the condition may spontaneously or after treatment to ease. This definition also applies to infants under 2 years of age. Mok and Levison think that regardless of any age, regular wheezing ≥ 3 times (excluding heart and other diseases) should be considered with asthma, with or without its own attrition, the obvious cause of attack and the frequency of attacks has nothing to do, unfortunately, many clinicians think