Cause of central cyanosis include all of the following, Except
Answer is C (Congestive hea failure): Congestive Hea Failure is a cause for Peripheral cyanosis and not central cyanosis Cyanosis when present in Asthma, pulmonic stenosis and alveolar hypoventilation is of the central type.
Chronic Asthma
Congenital Pulmonary stenosis
Congestive hea failure
Alveolar hypoventilation