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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 ...
Orf is a farmyard pox, a type of zoonosis. [2] It causes small pustules in the skin of primarily sheep and goats, but can also occur on the hands of humans. [3] A pale halo forms around a red centre. [4] It may persist for several weeks before crusting and then either resolves or leaves a hard lump. [4]
Generalized argyria in a 92-year-old male. Specialty. 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.
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
Treatment and prevention. Prevention is effected via quarantine, inoculation with live modified virus vaccine, and control of the midge vector, including inspection of aircraft. Livestock management and insect control Vaccines. Protection by live attenuated vaccines (LAVs) are serotype specific.
Diphtheria is an infection caused by the bacterium Corynebacterium diphtheriae. [2] Most infections are asymptomatic or have a mild clinical course, but in some outbreaks, the mortality rate approaches 10%. [1] Signs and symptoms may vary from mild to severe, [1] and usually start two to five days after exposure. [2]
Treatment. Centipedes bites, while painful, rarely cause severe health complications in people. Centipede venoms are heat-labile, and warm-water immersion may help reduce pain and swelling.
Geosmin ( / dʒiˈɒzmɪn / jee-OZ-min) is an irregular sesquiterpenoid, produced from the universal sesquiterpene precursor farnesyl pyrophosphate (also known as farnesyl diphosphate), in a two-step Mg 2+ -dependent reaction. [1] Geosmin, along with the irregular monoterpene 2-methylisoborneol, together account for the majority of biologically ...
Treatment. Treatment of atrophic rhinitis can be either medical or surgical. Medical measures include: Nasal irrigation using normal saline; Nasal irrigation and removal of crusts using alkaline nasal solutions. 25% glucose in glycerine can be applied to the nasal mucosa to inhibit the growth of proteolytic organisms which produce foul smell.
A blue nevus is a type of coloured mole, typically a single well-defined blue-black bump. The blue colour is caused by the pigment being deep in the skin. Diagnosis is by visualisation and dermoscopy. A biopsy is sometimes performed, or the whole lesion surgically removed.