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cyanosis Line breaks: cyan|osis
Pronunciation: /ˌsʌɪəˈnəʊsɪs/

Definition of cyanosis in English:


[mass noun] Medicine
A bluish discoloration of the skin due to poor circulation or inadequate oxygenation of the blood.
Example sentences
  • The skin and mucous membranes should be inspected for cyanosis, pallor, ecchymoses, telangiectasia, gingivitis, or evidence of bleeding from the oral or nasal mucosa.
  • Infants with coxsackie myocarditis have trouble breathing and sometimes develop cyanosis, a bluish color of the skin, lips, and nails caused by too little oxygen in the blood.
  • There was no clubbing, cyanosis, edema, arthritis, lymphadenopathy, or rash.


Pronunciation: /ˌsʌɪəˈnɒtɪk/
Example sentences
  • In children, clubbing usually occurs with cystic fibrosis or uncorrected cyanotic congenital heart disease.
  • People with congenital diseases of the heart or lungs, such as cyanotic congenital heart disease, are at high risk of infections which can then spread to the brain.
  • The listing of aortic atresia as cyanotic is arguable, according to my pediatric cardiology associates; I have never chosen to include it as such in my annual lectures to medical students, but perhaps I should reconsider.


Mid 19th century: modern Latin, from Greek kuanōsis 'blueness', from kuaneos 'dark blue'.

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