Cyanosis at the NIH's StatPearls, a technical reference w/ PubMed references.Peripheral Cyanosis (Blue Hands and Feet) at Healthline.
Bluish tinge to skin manual#
Bluish tinge to skin skin#
Blue discoloration of the skin at the NIH's US National Library of Medicine's MedLinePlus.We have all kinds of first aid signs, posters and labels at Safety Emporium. When working with substances that can cause cyanosis, be sure that all workers are properly trained and that appropriate first aid is available. If you are working in a confined space where the oxygen content may be less than normal or are working with a chemical substance that interferes with oxygen transport in the body, be sure to recognize the bluish cast of cyanosis. SDS RelevanceĬyanosis is an early sign of hypoxia. While cyanide poisoning does interfere with the body's handling of oxygen, its mechanism of action involves cytochrome oxidase rather than hemoglobin. The best places to look in this case are in the buccal mucosa (inside of the cheek) and hard palate (roof of the mouth).Ĭyanosis gets its name from the color cyan, which is a greenish blue, not from the symptoms of cyanide poisoning. 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.Ĭyanosis is harder to observe in dark-skinned people. Treatment for cyanosis includes administration of pure oxygen. Victims of carbon monoxide poisoning often have blue lips and fingernails. For example, carbon monoxide, CO, a product of incomplete combustion, binds to hemoglobin approximately 200 times better than oxygen. Medical conditions that involve diminished transport of oxygen in the body (heart disease, emphysema, pulmonary embolism, hypothermia etc.) can also cause cyanosis.Ĭyanosis is also observed when a chemical agent blocks the ability of hemoglobin to bind oxygen. Additional InformationĬyanosis can be seen in cases of anoxia and hypoxia (lack of oxygen) and is a symptom of asphyxiation. Hemoglobin and your blood are red when well-oxygenated, but blood appears to be dark red-blue if there is more than 50 g/ L of hemoglobin without oxygen. The bluish (cyan) or blue-gray color arises from deoxygenated hemoglobin, the oxygen carrier in your bloodstream that carries oxygen from your lungs to your tissues.
Cyanotic is an adjective used to describe this discoloration.Cyanosis (noun) is an abnormal bluish color of the skin or mucous membranes.We have all kinds of safety wall signs at Safety Emporium.
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