Sign or Symptom
cyanosis

cy·a·no·sis [ sahy-uh-noh-sis ]
Subclass of:
Signs and Symptoms
Etymology:
Greek kyanos = blue + -osis = condition
Cyanide comes from this same root, but cyanosis refers to the color of the skin.
Cyanide comes from this same root, but cyanosis refers to the color of the skin.
Definitions related to cyanosis:
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A bluish or purplish discoloration of the skin and mucous membranes due to an increase in the amount of deoxygenated hemoglobin in the blood or a structural defect in the hemoglobin molecule.NLM Medical Subject HeadingsU.S. National Library of Medicine, 2021
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A clinical finding in which the skin is noted to have a bluish cast due to an increased concentration of deoxyhemoglobin in cutaneous blood vessels on visual inspection.ACC/AHA Clinical Data TerminologyAmerican College of Cardiology and American Heart Association , 2020
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A condition in which skin turns blue due to a lack of oxygen in the blood, often because of heart failure or lung disease.Harvard Dictionary of Health TermsHarvard Medical Publishing, 2011
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Blue-colored skin caused by too little oxygen in the blood.NCI Dictionary of Cancer TermsU.S. National Cancer Institute, 2021
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Blueness of the skin caused by excessive amounts of deoxyhemoglobin in the skin vessels.CRISP ThesaurusNational Institutes of Health, 2006
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Bluish discoloration of the skin and mucosa due to poor circulation or inadequate oxygenation of arterial or capillary blood.Human Phenotype Ontology (HPO)The Human Phenotype Ontology Project, 2021
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A disorder characterized by a bluish discoloration of the skin and/or mucous membranes.Common Terminology Criteria for Adverse EventsU.S. National Institutes of Health, 2021
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Cyanosis is a bluish discoloration of the skin resulting from an inadequate amount of oxygen in the blood. Cyanosis occurs when oxygen-depleted (deoxygenated) blood, which is bluish rather than red, circulates through the skin. Cyanosis can be caused by many types of severe lung or heart disease that cause levels of oxygen in the blood...Merck & Co., Inc., 2020
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Cyanosis is a bluish or purplish tinge to the skin and mucous membranes. See the images below.WebMD, 2019
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