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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.
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 ...
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.
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.
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 ).
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 ...
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.
Chronic atrophic rhinitis, or simply atrophic rhinitis, is a chronic inflammation of the nose characterised by atrophy of nasal mucosa, including the glands, turbinate bones and the nerve elements supplying the nose. Chronic atrophic rhinitis may be primary and secondary.
The symptoms of diphtheria usually begin two to seven days after infection. They include fever of 38 °C (100.4 °F) or above; chills; fatigue ; bluish skin coloration ( cyanosis ); sore throat; hoarseness ; cough ; headache; difficulty swallowing; painful swallowing; difficulty breathing ; rapid breathing; foul-smelling and bloodstained nasal ...
Symptoms: Fever, runny nose, sore throat, muscle pain, headache, coughing, fatigue: Usual onset: 1–4 days after exposure: Duration: 2–8 days: Causes: Influenza viruses: Prevention: Hand washing, flu vaccines: Medication: Antiviral drugs such as oseltamivir: Frequency: 3–5 million severe cases per year: Deaths >290,000–650,000 deaths per ...