Cyanotic lips or central cyanosis at Southeast Asian old woman

Cyanotic lips or central cyanosis at Southeast Asian old woman

Cyanotic lips or central cyanosis at Southeast Asian old woman with congenital heart disease

19 abnormal blue bluish breathless central color copd covid covid19 cyan cyanosis cyanotic dark discoloration discolored discolouration discoloured elder elderly female gray grey health hypoxia lingual lip lips lung mouth old pale pallor problem problems purple respiratory sign smoker smoking stain stained symptom tongue unhealthy woman