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Note the bluish-purple discoloration of the fingernails, lips, eyelids, and nose, along with prominent nail clubbing. Central cyanosis may be due to the following causes: Central nervous system (impairing normal ventilation): Intracranial hemorrhage; Drug overdose (e.g., heroin) Generalized tonic–clonic seizure (GTCS) Respiratory system ...
Dermatology. Argyria or argyrosis is a condition caused by excessive exposure to chemical compounds of the element silver, or to silver dust. [1] The most dramatic symptom of argyria is that the skin turns blue or blue-gray. It may take the form of generalized argyria or local argyria.
Waardenburg syndrome is a group of rare genetic conditions characterised by at least some degree of congenital hearing loss and pigmentation deficiencies, which can include bright blue eyes (or one blue eye and one brown eye), a white forelock or patches of light skin.
Causes: Cyanide compounds: Risk factors: House fire, metal polishing, certain insecticides, eating seeds such as from almonds: Diagnostic method: Based on symptoms, high blood lactate: Treatment: Decontamination, supportive care (100% oxygen), hydroxocobalamin
Bluetongue disease. Bluetongue disease is a noncontagious, insect-borne, viral disease of ruminants, mainly sheep and less frequently cattle, [1] yaks, [2] goats, buffalo, deer, dromedaries, and antelope. It is caused by Bluetongue virus ( BTV ).
Signs and symptoms. How myiasis affects the human body depends on where the larvae are located. Larvae may infect dead, necrotic (prematurely dying) or living tissue in various sites: the skin, eyes, ears, stomach and intestinal tract, or in genitourinary sites. They may invade open wounds and lesions or unbroken skin.
Humans. Orf is a zoonotic disease, meaning humans can contract this disorder through direct contact with infected sheep and goats or with fomites carrying the orf virus. It causes a purulent-appearing papule locally and generally no systemic symptoms.
Symptoms and signs. Symptoms which are most likely to develop include: Pain, Swelling and redness; Minor bleeding; Itching and burning sensations. Other symptoms such as hardening of the skin and tissue death may also occur. In rare cases, Wells syndrome may also develop. Diagnosis
The danger triangle of the face consists of the area from the corners of the mouth to the bridge of the nose, including the nose and maxilla. [1] [2] : 345–346 Due to the special nature of the blood supply to the human nose and surrounding area, it is possible for retrograde infection from the nasal area to spread to the brain, causing ...
Carotenosis. Carotenosis. Other names. Carotenaemia, xanthaemia, carotenoderma, carotenodermia. Carotenoderma visible on the nose. Specialty. Dermatology. Carotenosis is a benign and reversible medical condition where an excess of dietary carotenoids results in orange discoloration of the outermost skin layer.