伴有或未伴有臂丛神经损伤的一侧膈肌麻痹是引起新生儿呼吸困难的原因之一。此麻痹只在深吸气时拍的X线胸片上才能发现,否则常常误诊。因此,多主张胸部透视检查,这既可看到呼吸时两侧膈肌的反常运动,又避免了施行不必要的心导管检查。本症在呼吸时可以看到脐的移动,本文强调这是一个有价值的体征,即在深呼气末把脐的位置做个固定的标志(比如,用钢笔杆紧贴此时的脐部),吸气时脐离开 One of the causes of dyspnea in neonates is diaphragmatic paralysis with or without brachial plexus injury. This paralysis only in the deep inspiration when the X-ray filming can be found, otherwise often misdiagnosed. Therefore, more advocate the chest fluoroscopy, which can not only see both sides of the diaphragm when breathing abnormal movements, but also to avoid the implementation of unnecessary cardiac catheterization. This disease can be seen in the breathing of the umbilical movement, this article emphasizes that this is a valuable sign, that is, in the deep end of the breath of the umbilical position to be a fixed sign (for example, with the pen stick close to the umbilical ), Umbilical inspiratory leave