随着危重症医学的发展,肺超声的应用也得到了更多的关注。相关研究发现胸部弥漫性彗星尾征为急性呼吸窘迫综合征的特征性声像图表现,有关胸部弥漫性彗星尾的研究涉及早期诊断、病情监测、预后评估、病理基础及计算机辅助评估等。本文对弥漫性彗星尾征的临床应用价值展开综述。 With the development of critical care medicine, the application of pulmonary ultrasound has also received more attention. Related studies have found that the chest diffuse comet tail syndrome is a characteristic sonographic manifestation of acute respiratory distress syndrome. Studies on the diffuse comet chest in the chest involve early diagnosis, disease monitoring, prognosis assessment, pathological basis and computer-aided assessment. This article reviews the clinical value of diffuse comet tail sign.