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小儿支气管哮喘是一常见的、严重影响小儿健康的下呼吸道疾病。诊断此病症状和体征中最重要的是哮鸣音的存在。这是一高音调笛音,是空气通过狭窄的气道形成的。哮鸣音在呼气时易听到,婴幼儿常在呼气和吸气时均可听到哮鸣。由于哮鸣是空气通过狭窄的气道形成的,因而“不是具有哮鸣音的都患有哮喘病”,应作好区别诊断。
Pediatric bronchial asthma is a common lower respiratory tract disease that seriously affects the health of children. Diagnosis of the disease symptoms and signs of the most important is the presence of wheezing. This is a high pitched sound that is formed by the air through the narrow airways. Wheeze sounds easy to hear when exhaled, infants and young children often hear wheezing when exhaled and inhaled. As the wheeze is formed by the air through the narrow airways, and therefore “is not suffering from wheezing with asthma” should make a differential diagnosis.