cyanopsia definition
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Cyanopsia Cyanopsia, also known as blue vision, is a form of chromatposia in which the abnormal colour perception is that of unexpected blue sensations. This is described in a section about conditions and disorders of the human visual system.
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polycythemia [pol″e-si-the´me-ah] an increase in the total red blood cell mass of the blood; called also erythrocythemia, hypercythemia, and hypererythrocythemia. There are two distinct forms of the disease: Primary polycythemia (polycythemia vera) is a myeloproliferative disorder of unknown etiology.
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cyanobacteria poisoning cyanobacteria poisoning, poisoning by cyanobacteria, usually as a result of drinking contaminated water. In most cases it is a subacute condition characterized by liver damage with jaundice and sometimes bloody diarrhea and photosensitization.
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Skin discoloration - bluish In dark-skinned people, cyanosis may be easier to see in the mucous membranes (lips, gums, around the eyes) and nails. Cyanosis that is seen in only one part of the body may be due to: A blood clot that blocks the blood supply to a leg, foot, hand, or arm.
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Cyanosis Central cyanosis produces a blue discoloration of the mucous membranes of the lips and tongue as well as the extremities. Peripheral cyanosis affects the extremities and the skin around the lips but not the mucous membranes.
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Defining a term: plethora? Polycythemia is a condition in which there are too many red blood cells in the blood circulation.It is the opposite of anemia, which results from too few red blood cells in the blood circulation.Polycythemia is also called plethora when it causes a ruddy complexion.olycythemia is a condition in which there are too many red blood cells in the blood circulation.
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What does it mean if your knuckles start turning blue? Cyanosis is the medical term for a bluish color of the skin and the mucous membranes due to an insufficient level of oxygen in the blood. For example, the lips and fingernails may show cyanosis.
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Acrocyanosis What is Acrocyanosis? Acrocyanosis is the persistent bluish discoloration of the extremities including the hands, feet and parts of the face, but the most common is cyanosis of the hands. Acrocyanosis occurred some 100 years ago, but the nature of the condition is still unclear.
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What is Acrocyanosis? Acrocyanosis: Introduction. Acrocyanosis: An uncommon disorder of blood vessels, causing cold, pale skin. Acrocyanosis: cyanosis of the extremities; can occur when a spasm of the blood vessels is caused by exposure to cold or by strong emotion. Source - WordNet 2.1.
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- Cyanosis by definition is a bluish discoloration due to the presence of an increased quantity of desaturated. hemoglobin in the tissues. In our current era of congenital heart disease, cyanosis is generally due to right-to left shunting through.
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- n. 1  The state of being dichromatic. 2  A form of colorblindness in which only two of the three fundamental colors can be distinguished due to a lack of one of the retinal cone pigments. Also called dichromatopsia, dyschromatopsia, parachromatopsia.
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What is Cyanosis? Blue to Purple Skin Discoloration (Low Oxygen) Cyanosis is the medical term for a blue to purple discoloration of the skin which arises from deoxygenated hemoglobin in the blood stream.
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Blue discoloration of the skin Most of the time, nearly all red blood cells in the arteries carry a full supply of oxygen. These blood cells are bright red and the skin is pinkish or red. Blood that has lost its oxygen is dark bluish-red. People whose blood is low in oxygen tend to have a bluish color to their skin. This condition is called cyanosis. Depending on the cause, cyanosis may develop suddenly, along with shortness of breath and other symptoms. Cyanosis that is caused by long-term heart or lung problems may develop slowly.
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Polycythemia Polycythemia (also known as polycythaemia or polyglobulia) is a disease state in which the proportion of blood volume that is occupied by red blood cells increases. Blood volume proportions can be measured as hematocrit level. A hematocrit of >55% is seen in polycythemia.
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What does it mean if your knuckles start turning blue? The presence of abnormal forms of hemoglobin or other abnormalities of the blood cells can also sometimes cause cyanosis. The medical term for lowered oxygen levels is hypoxia; the term anoxia refers to the absence of oxygen.
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Cyanosis 0. Cyanosis is the abnormal blue discoloration of the skin and mucous membranes, caused by an increase in the deoxygenated haemoglobin level to above 5 g/dL.. Cyanosis is the abnormal blue discoloration of the skin and mucous membranes, caused by an increase in the deoxygenated haemoglobin level to above 5 g/dL.
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Cyanosis Cyanosis occurs when the blood lacks oxygen causing the skin to appear bluish or purplish.This condition could involve the lips, gums, tongue, nail beds, fingers, toes and mucous membranes.yanosis occurs when the blood lacks oxygen causing the skin to appear bluish or purplish.
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blue bloater blue bloater. A medical slang term for a person with CYANOSIS and OEDEMA. Both can be caused by lung diseases such as chronic bronchitis or emphysema which impede movement of oxygen from atmosphere to blood, causing cyanosis, and increase the strain on the heart leading to failure and an accumulation of fluid in the tissues (oedema).
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What does it mean if your knuckles start turning blue? Cyanosis can be evident at birth due to the presence of a heart malformation that permits blood that is not fully oxygenated to enter the arterial circulation.
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Blue discoloration of the skin Skin discoloration - bluish. Cyanosis is a bluish color to the skin or mucous membrane that is usually due to a lack of oxygen in the blood. Considerations. Red blood cells provide oxygen to body tissues. Most of the time, nearly all red blood cells in the arteries carry a full supply of oxygen.
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gray syndrome [gra] a potentially fatal condition seen in neonates, particularly premature infants, due to a reaction to chloramphenicol, characterized by an ashen gray cyanosis, listlessness, weakness, and hypotension. Called also gray baby syndrome.
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hypoxemia an abnormal deficiency in the concentration of oxygen in arterial blood. Symptoms of acute hypoxemia are cyanosis, restlessness, stupor, coma, Cheyne-Stokes respiration, apnea, increased blood pressure, tachycardia, and an initial increase in cardiac output that later falls, producing hypotension and ventricular fibrillation or asystole.
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- cyanosis. [sī′ənō′sis]. Etymology: Gk, kyanos, blue, osis, condition. bluish discoloration of the skin and mucous membranes caused by an excess of deoxygenated hemoglobin in the blood or a structural defect in the hemoglobin molecule, such as in methemoglobin.cyanotic, adj.yanosis. [sī′ənō′sis]. Etymology: Gk, kyanos, blue, osis, condition. bluish discoloration of the skin and mucous membranes caused by an excess of deoxygenated hemoglobin in the blood or a structural defect in the hemoglobin molecule, such as in methemoglobin.
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- A·yer·za syn·drome. sclerosis of the pulmonary arteries in chronic cor pulmonale; associated with severe cyanosis, it is a condition resembling polycythemia vera but resulting from primary pulmonary arteriosclerosis or primary pulmonary hypertension and characterized by plexiform lesions of arterioles.
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Cyanosis Cyanosis is the abnormal blue discoloration of the skin and mucous membranes, caused by an increase in the deoxygenated haemoglobin level to above 5 g/dL.yanosis is the abnormal blue discoloration of the skin and mucous membranes, caused by an increase in the deoxygenated haemoglobin level to above 5 g/dL.
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Cyanosis Symptoms, Causes of Blue Lips, Toes, Fingers, Tongue Cyanosis Symptoms, Causes of Blue Lips, Toes, Fingers, Tongue. Cyanosis is a sign of low oxygen levels in the blood (hypoxemia). As defined under what is cyanosis, it is a consequence of a high concentration of deoxygenated hemoglobin (greater than 5 g/dL or 50 g/L) in the arterial blood, usually with a oxygen saturation of less than 90%.