Assertion: central cyanosis | /r/CreatedBy | abnormal haemoglobin
Facets:
Source sentences:
text: Central cyanosis is caused by diseases of the heart or lungs or may be caused by abnormal haemoglobin called methhemoglobinemia or sulfhemoglobinemia.
text: Central cyanosis is caused by diseases of the heart or lungs, or abnormal haemoglobin (methaemoglobinaemia or sulfhaemoglobinaemia).