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  2. Cyanosis - Wikipedia

    en.wikipedia.org/wiki/Cyanosis

    Acute cyanosis can be a result of asphyxiation or choking and is one of the definite signs that ventilation is being blocked. Child with congenital heart disease with central cyanosis that is worsened by measles. Note the bluish-purple discoloration of the fingernails, lips, eyelids, and nose, along with prominent nail clubbing.

  3. Acrocyanosis - Wikipedia

    en.wikipedia.org/wiki/Acrocyanosis

    There is no standard medical or surgical treatment for acrocyanosis, and treatment, other than reassurance and avoidance of cold, is usually unnecessary. The patient is reassured that no serious illness is present. A sympathectomy would alleviate the cyanosis by disrupting the fibers of the sympathetic nervous system to the area. [3]

  4. Methemoglobinemia - Wikipedia

    en.wikipedia.org/wiki/Methemoglobinemia

    If only one parent has this gene, offspring will have normal-hued skin, but if both parents carry the gene, there is a chance the offspring will have blue-hued skin. [ citation needed ] Another cause of congenital methemoglobinemia is seen in patients with abnormal hemoglobin variants such as hemoglobin M (HbM), or hemoglobin H (HbH) , which ...

  5. Hemoglobin M disease - Wikipedia

    en.wikipedia.org/wiki/Hemoglobin_M_disease

    Cyanosis is the most common sign of hemoglobin M disease, which can be observed in all kinds of hemoglobin M diseases. It is mostly presented in the patient's lips and fingertips. [15] Cyanosis in hemoglobin M disease results from elevated levels of metHb and sulfhemoglobin (sulfHb). [16] Dark brown blood is another major sign of hemoglobin M ...

  6. Livedo reticularis - Wikipedia

    en.wikipedia.org/wiki/Livedo_reticularis

    Livedo reticularis is a common skin finding consisting of a mottled reticulated vascular pattern that appears as a lace-like purplish discoloration of the skin. [1] The discoloration is caused by reduction in blood flow through the arterioles that supply the cutaneous capillaries, resulting in deoxygenated blood showing as blue discoloration ().

  7. Sniffling, sneezing, coughing: What infectious disease do you ...

    www.aol.com/news/sniffling-sneezing-coughing...

    Individuals at higher risk for developing severe disease from Covid-19 and influenza should get tested as soon as their symptoms start so that they can begin prompt antiviral treatment.

  8. Silicosis - Wikipedia

    en.wikipedia.org/wiki/Silicosis

    Gradual darkening of skin (blue skin) Gradual dark shallow rifts in nails eventually leading to cracks as protein fibers within nail beds are destroyed; In advanced cases, the following may also occur: Cyanosis, pallor along upper parts of body (blue skin) Cor pulmonale (right ventricle heart disease) Respiratory insufficiency

  9. Sulfhemoglobinemia - Wikipedia

    en.wikipedia.org/wiki/Sulfhemoglobinemia

    Symptoms include a blueish or greenish coloration of the blood (cyanosis), skin, and mucous membranes, even though a blood count test may not show any abnormalities in the blood. This discoloration is caused by greater than 5 grams per cent of deoxyhemoglobin, or 1.5 grams per cent of methemoglobin, or 0.5 grams per cent of sulfhemoglobin, all ...