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Topic: Cyanosis

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	Cyanosis: Encyclopedia of Medicine
		Cyanosis is caused by a lack of oxygen in the blood.
		Cyanosis is associated with cold temperatures, heart failure, lung diseases, and smothering.
		More rarely, cyanosis can be present at birth as a sign of congenital heart disease,in which some of the blood is not pumped to the lungs where oxygen would make the blood a bright red color.
	health.enotes.com /medicine-encyclopedia/cyanosis (441 words)

	cyanosis (Site not responding. Last check: 2007-10-18)
		Cyanosis is the characteristic blue color of the skin observed when the amount of unoxygenated hemoglobin in the blood exceeds 5 grams per 100 milliters of blood (out of anywhere from 10 to 15 grams of hemoglobin per 100 milliliters).
		Cyanosis may be harmless - as in acrocyanosis of newborn babies - but is usually a bad sign.
		Cyanosis is usually noted first around the lips and mouth, and perhaps in the nailbeds.
	www.drhull.com /EncyMaster/C/cyanosis.html (105 words)

	Cyanosis (Site not responding. Last check: 2007-10-18)
		Cyanosis is the physical finding of bluish discoloration of the skin and mucous membranes which result from the presence of elevated amounts of deoxygenated hemoglobin.
		The detection of cyanosis is subjective and cannot be considered a sensitive indicator of arterial oxygenation.
		Peripheral cyanosis is due to an abnormally high amount of oxygen extraction in the periphery due to slow peripheral blood flow.
	skin-care.health-cares.net /cyanosis.php (670 words)

	Cyanosis - Wikipedia, the free encyclopedia (Site not responding. Last check: 2007-10-18)
		Cyanosis refers to the bluish coloration of the skin due to the presence of deoxygenated hemoglobin in blood vessels near the skin surface.
		Central cyanosis suggests a circulatory or ventilatory problem that leads to poorer blood oxygenation in the lungs or greater oxygen extraction due to slowing down of blood circulation in the skin's blood vessels.
		Peripheral cyanosis suggests that there is poor circulation in the small vessels involved, such as when a person's hands are very cold.
	en.wikipedia.org /wiki/Cyanosis (210 words)

	Skin discoloration - bluish
		Cyanosis is a bluish discoloration of the skin or mucous membranes caused by lack of oxygen in the blood.
		Most cyanosis occurs as a result of heart disease such as congestive heart failure, lung disease, or as a terminal event as in cardiopulmonary arrest.
		Cyanosis is more obvious in the mucous membranes and nail beds, particularly for dark-skinned people.
	www.stv.org /adam/encyclopedia/ency/article/003215.htm (338 words)

	PetPlace.com - Article: Cyanosis in Dogs
		Cyanosis is a bluish or purplish coloration imparted to the skin or mucous membranes due to excessive amounts of poorly oxygenated hemoglobin in the circulation.
		Cyanosis is the bluish or purplish discoloration of the mucous membranes or skin due to excessive amounts of desaturated (poorly oxygenated) hemoglobin in the blood stream.
		Peripheral cyanosis is due to desaturated hemoglobin that may be confined to a specific region of the body, for example, if a blood clot has obstructed blood flow to a particular body part or if a tourniquet has been applied.
	www.petplace.com /articles/artPrinterFriendly.asp?all=1&conID=16084 (1433 words)

	The MSDS HyperGlossary: Cyanosis (Site not responding. Last check: 2007-10-18)
		Cyanosis can be seen in cases of anoxia and hypoxia (lack of oxygen) and is a symptom of asphyxiation.
		Cyanosis is also observed when a chemical agent blocks the ability of hemoglobin to bind oxygen.
		In the case of carbon monoxide poisoning, hyperbaric oxygen treatment, placing the victim in a chamber pressurized to 2 or 3 atmospheres of pure oxygen, may be used.
	www.ilpi.com /msds/ref/cyanosis.html (411 words)

	Cyanosis, Cincinnati Children's Hospital Medical Center
		Cyanosis is usually caused by abnormalities of the heart, the lungs, or the blood.
		The absence of cyanosis may be reassuring, but it does not exclude the possibility of a heart defect.
		Cyanosis limited exclusively to the hands, the feet and the area around the lips is known as acrocyanosis and is a normal finding in babies.
	cincinnatichildrens.org /health/heart-encyclopedia/signs/cyanosis.htm (695 words)

	eMedicine - Cyanosis : Article by Lawrence Martin, MD, FACP, FCCP (Site not responding. Last check: 2007-10-18)
		Cyanosis is a bluish or purplish tinge to the skin and mucous membranes (see Images 1-2).
		Some physicians diagnose cyanosis as an indicator of hypoxemia when it cannot be present (ie, the patient has normal oxygen saturation), while other physicians miss cyanosis when it should be present (ie, very low oxygen saturation with normal hemoglobin).
		Peripheral cyanosis is a dusky or bluish tinge to the fingers and toes and may occur with or without central cyanosis (ie, with or without hypoxemia).
	www.emedicine.com /med/topic3002.htm (1329 words)

	Cyanosis - WrongDiagnosis.com
		Cyanosis is a severe condition indicating a lack of oxygen in the blood supply.
		Cyanosis may also be described as purple skin or dark skin in some cases.
		- may indicate central cyanosis which is due to a lack of oxygenated hemoglobin in the blood vessels and thus may indicate high altitude, emphysema, chronic bronchitis, pulmonary embolism, cyanotic congenital heart disease, polycythaemia or hemoglobin abnormalities.
	www.wrongdiagnosis.com /sym/cyanosis.htm (1278 words)

	AccessMedicine - Harrison's Internal Medicine: Cyanosis
		"Cyanosis refers to a bluish color of the skin and mucous membranes resulting from an increased quantity of reduced hemoglobin, or of hemoglobin derivatives, in the small blood vessels of those areas.
		The degree of cyanosis is modified by the color of the cutaneous pigment and the thickness of the skin, as well as by the state of the cutaneous capillaries.
		The accurate clinical detection of the presence and degree of cyanosis is difficult, as proved by oximetric studies.
	www.accessmedicine.com /content.aspx?aID=54509 (312 words)

	s001213b - Digital Cyanosis
		Intermittent digital cyanosis as the sole presenting sign of pulmonary embolus: an unusual case report.
		Cyanosis and clubbing of the fingers and toes in congenital biliary atresia.
		Intermittent peripheral cyanosis should raise the index of suspicion for the possibility of pulmonary embolus.
	www.emory.edu /WHSCL/grady/amreport/litsrch00/s001213b.html (1024 words)

	Cyanosis, Cincinnati Children's Hospital Medical Center (Site not responding. Last check: 2007-10-18)
		Central cyanosis is never normal, and is almost always associated with a decrease in blood oxygen.
		The best way to look for cyanosis is to look at the nail beds, lips and tongue, and to compare them to someone with a similar complexion.
		Cyanosis on the lips, tongue, head or torso is central cyanosis, and should be promptly evaluated by a physician.
	www.cincinnatichildrens.org /health/heart-encyclopedia/signs/cyanosis.htm (695 words)

	Two brothers with nail cyanosis
		Ellis Hon and Albert Li Cyanosis of fingers and nails in infants and children deserves investigation and treatment of the underlying causes.
		Blanching of the finger and toe tips did not alter the cyanosis, suggesting that the discolouration was in the nail plate rather than the vascular nail bed.
		The ‘cyanosis’ was accidentally removed by alcohol swab prior to nail biopsy.
	www.nzma.org.nz /journal/116-1181/587 (666 words)

	Cyanosis of the nail bed
		Lack of oxygen in the blood causes a bluish discoloration in the skin or mucous membranes called cyanosis.
		Most cyanosis is seen as a result of congenital heart disease, pulmonary disease, or as a terminal event as in cardiopulmonary arrest.
		The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition.
	www.stv.org /adam/encyclopedia/imagepages/9895.htm (113 words)

	cyanosis. The Columbia Encyclopedia, Sixth Edition. 2001-05
		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).
		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.
	www.bartleby.com /65/cy/cyanosis.html (185 words)

	Cyanosis - Patient UK (Site not responding. Last check: 2007-10-18)
		Cyanosis is the abnormal blue discoloration of the skin and mucous membranes.
		Cyanosis due to congenital heart disease causing anatomical right to left shunts may have been present from birth or the first few years of life.
		Chest pain: cyanosis associated with pleuritic chest pains may be due to pulmonary emboli or pneumonia.
	www.patient.co.uk /showdoc/40000076 (727 words)

	Dorlands Medical Dictionary
		cyanosis due to the presence of a pigment such as methemoglobin and not to deficient oxygenation of the blood.
		cyanosis caused by a structural variant in the hemoglobin molecule, such as an M hemoglobin; see methemoglobinemia.
		central cyanosis caused by poor oxygenation of the blood in the lungs.
	www.mercksource.com /pp/us/cns/cns_hl_dorlands.jspzQzpgzEzzSzppdocszSzuszSzcommonzSzdorlandszSzdorlandzSzdmd_c_68zPzhtm (2158 words)

	KUMC Evaluation of the Cyanotic Infant (Site not responding. Last check: 2007-10-18)
		Visible cyanosis is dependent on the concentration of reduced hemoglobin in the blood rather than on oxygen saturation.
		Peripheral cyanosis describes the presence of cyanotic extremities with acyanotic (pink) central circulation (pink tongue and mucus membranes).
		Cardiac defects which usually result in the clinical appearance of cyanosis are categorized as "cyanotic heart defects".
	www.kumc.edu /kumcpeds/cardiology/lectures/cyanosis.html (595 words)

	Medcyclopaedia - Cyanosis
		The amount of reduced haemoglobin in the cutaneous veins has to reach a critical level of about 5g/ml for clinical cyanosis to be appreciated.
		Cyanosis can occur from non-cardiac causes and these include inadequate alveolar ventilation, increased deoxygenation in the Capillaries
		Consequences and complications of prolonged cyanosis include polycythaemia, clubbing, hypoxic spells, decreased IQ, bleeding disorders, hyperuricaemia, gout, scoliosis and central nervous system complications such as brain abscess and Cerebrovascular
	www.medcyclopaedia.com /library/topics/volume_vii/c/cyanosis.aspx (491 words)

	Cyanosis - HAVSRM.COM (Site not responding. Last check: 2007-10-18)
		Considerations The skin coloration is determined by the amount of pigment in the skin and the blood flowing through it.
		Cyanosis is a bluish discoloration of the skin or mucous membranes caused by lack of oxygen in
		For cyanosis caused by exposure to cold, dress warmly when going outside or stay in a well-heated room.
	www.havsrm.com /medical/cyanosis (606 words)

	Healthopedia.com - Cyanosis
		Cyanosis is a blue or purple discoloration of the skin that can occur when there is not enough oxygen in a person's blood or tissues.
		Cyanosis may be caused by a number of conditions, including:
		Berger's disease, which is thought to be caused by smoking and results in cyanosis of the hands and feet.
	www.healthopedia.com /cyanosis (394 words)

	Highbeam Encyclopedia - Search Results for cyanosis (Site not responding. Last check: 2007-10-18)
		cyanosis CYANOSIS [cyanosis], bluish coloration of the skin, mucous membranes, and nailbeds, resulting from a lack of oxygenated hemoglobin in the blood.
		The color is most noticeable around the lips and at the tips of the fingers and toes.
		One known cause is infection of the mother with the rubella (German measles) virus during the
	www.encyclopedia.com /SearchResults.aspx?Q=cyanosis (405 words)

	Howstuffworks "Cyanosis: A Profile of a Lack of Oxygen in the Blood"
		Cyanosis is a bluish discoloration of the skin and mucous membranes due to inadequate oxygenation of the blood.
		But if the lungs are not working well or if for some other reason the red blood cells are not being oxygenated, the blood appears bluish.
		Cyanosis can be due to asthma, choking, pneumonia, or lung collapse.
	health.howstuffworks.com /define-cyanosis.htm (244 words)

	Cyanosis - Texas Heart Institute Heart Information Center
		Cyanosis is a condition in which the lips, fingers, and toes appear blue.
		In people with congenital heart defects, cyanosis can happen if the defect allows oxygen-poor blood from the right side of the heart to enter the left side of the heart directly, instead of traveling to the lungs for more oxygen.
		In the left side of the heart, the oxygen-poor blood mixes with oxygen-rich blood to be pumped through the body.
	www.texasheartinstitute.org /HIC/Topics/Cond/cyanosis.cfm (311 words)

	Diffuse Pulmonary Arteriovenous Malformation: Unusual Cause of Cyanosis in Infancy
		Pulmonary arteriovenous malformation (PAVM) is a rare cause of cyanosis in early infancy.
		On examination, the infant was ill-looking, with central cyanosis and tachypnea.
		The diagnosis of PAVM should be considered in infants with severe cyanosis without structural cardiac lesion or pulmonary hypertension, after excluding other causes of cyanosis, such as parenchymal lung disease and the rare methemoglobinemia.
	www.kfshrc.edu.sa /annals/202/99-206.htm (1345 words)

	Cyanosis definition - Medical Dictionary definitions of popular medical terms
		Cyanosis: A bluish color of the skin and the mucous membranes due to insufficient oxygen in the blood.
		Cyanosis can be evident at birth, as in a "blue baby" who has a heart malformation that permits blood that is not fully oxygenated to enter the arterial circulation.
		Cyanosis can also appear at any time later in life.
	www.medterms.com /script/main/art.asp?articlekey=10671 (145 words)

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