<unk> an be defined as bluish discoloration of skin and mucosa and can also be a manifestation of oxygen desaturation of arterial or capillary blood.<unk> hypoxemia, and hypoxia should be differentiated and can occur independently. The causes of<unk> n a newborn range from congenital cardiac conditions to life-threatening conditions such as exposure to toxic gases or infections leading to sepsis. The management of<unk> epends upon the etiology and emergent cases with respiratory distress need rapid evaluation and response with immediate establishment of airway access and oxygen support.
Cyanosis  
Polycythemia
Acrocyanosis
Myxedema
Dry skin
Retinopathy
Dry eyes
Color blindness