发绀是儿科常见症状,按发病机制不同,分为中心性发绀、周围性发绀及变性血红蛋白血症3类。发绀的诊断有赖于详细询问病史、体格检查及实验室资料的综合分析;治疗目的是改善缺氧症状,保证重要器官的供氧;预后与病因密切相关。现就发绀的临床表现、诊断治疗及预后进行阐述。 Cyanosis is a common pediatric symptoms, according to different pathogenesis, divided into central cyanosis, peripheral cyanosis and degeneration of hemoglobinemia 3 categories. Diagnosis of cyanosis depends on a detailed history, physical examination and laboratory data analysis; treatment aims to improve the symptoms of hypoxia, to ensure that vital organs of oxygen; prognosis is closely related with the cause. Now on the clinical manifestations of cyanosis, diagnosis and treatment and prognosis.