Cyanosis is caused by

Cyanosis is caused by the presence of atleast —— of reduced hemoglobin in capillary beds.


Cyanosis is caused by the presence of atleast —— of reduced hemoglobin in capillary beds.


[A] 1.5 g/dL
[B] 3 g/dL
[C] 5 g/dL
[D] 7 g/dL



Cyanosis is caused by


Cyanosis is caused by the presence of atleast 5 g/dL of reduced hemoglobin in capillary beds.


Cyanosis can be recognized – When Systemic arterial oxygen saturation is less than 88%

This varies with skin pigmentation, adequacy of lighting, and experience of the observer