Central cyanosis – Cardiology MCQ
Central cyanosis can be manifested in all except:
a) Reduced hemoglobin > 5 gm%
b) Sulfhemoglobin > 0.5 gm%
c) Reduced hemoglobin 2 gm%
d) Oxygen saturation below 85%
Please see the YouTube video above for discussion
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About The Author
Johnson Francis
Former Professor of Cardiology, Calicut Govt. Medical Kozhikode, Kerala, India. Editor-in-Chief, BMH Medical Journal