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cyanosis |
Also found in: Medical, Wikipedia, Hutchinson | 0.02 sec. |
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cyanosis (sī'ənō`sĭs), bluish coloration of the skin, mucous membranes, and nailbeds, resulting from a lack of oxygenated hemoglobin in the blood. It is a symptom of many disorders, including various pulmonary and heart diseases and many congenital heart defects (see blue baby blue baby, infant born with a congenital heart defect that causes a bluish coloration of the skin as a result of cyanosis (deoxygenated blood). The color is most noticeable around the lips and at the tips of the fingers and toes. ..... Click the link for more information. ). Cyanosis that is caused by slowed circulation through peripheral blood vessels results in a bluish tinge only on the cool portions of the body (fingertips, nose, ears). In such cases the capillary blood gives up more than normal amounts of oxygen. Although this type of cyanosis can be caused by reduced cardiac output (e.g., in congestive heart failure), the most common causes are nervous tension and exposure to cold. Another type of cyanosis results from poisoning, either by nitrates in contaminated food or water or by certain chemicals and drugs. cyanosis Pathol a bluish-purple discoloration of skin and mucous membranes usually resulting from a deficiency of oxygen in the blood cyanosis [‚sī·ə′nō·səs] (medicine) A bluish coloration in the skin and mucous membranes due to deficient levels of oxygen in the blood. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Review of systems disclosed an increasing number of violacious bluish skin lesions on the thorax. Early flu-like symptoms, such as chills and chest pains in the first two days after exposure, give way to bluish skin, labored breathing and Early flu-like symptoms, such as chills and chest pains in the first two days after exposure, give way to bluish skin, labored breathing and |
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