Differential Diagnosis of Cyanosis

Peripheral cyanosis

  A. Low cardiac output states

  B. Environmental exposure (cold)

  C. Arterial occlusion

  D. Venous obstruction

  E. Redistribution of blood flow from extremities

Central cyanosis

  A. Decreased arterial oxygen saturation

  B. Anatomic shunts



#Cyanosis #Differential #Diagnosis #Causes #Cardiology