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  2. List of signs and symptoms of diving disorders - Wikipedia

    en.wikipedia.org/wiki/List_of_signs_and_symptoms...

    Signs and symptoms of narcosis Pressure (bar) Depth (m) Depth (ft) Manifestations 1–2 0–10 0–33 Unnoticeable small symptoms, or no symptoms at all; 2–4 10–30 33–100 Mild impairment of performance of unpracticed tasks; Mildly impaired reasoning; Mild euphoria possible; 4–6 30–50 100–165 Delayed response to visual and auditory ...

  3. Decompression (diving) - Wikipedia

    en.wikipedia.org/wiki/Decompression_(diving)

    If the dissolved inert gases come out of solution within the tissues of the body and form bubbles, they may cause the condition known as decompression sickness, or DCS, also known as divers' disease, the bends or caisson disease. However, not all bubbles result in symptoms, and Doppler bubble detection shows that venous bubbles are present in a ...

  4. Marine chronometer - Wikipedia

    en.wikipedia.org/wiki/Marine_chronometer

    Marine chronometers always contain a maintaining power which keeps the chronometer going while it is being wound, and a power reserve indicator to show how long the chronometer will continue to run without being wound. These technical provisions usually yield timekeeping in mechanical marine chronometers accurate to within 0.5 second per day ...

  5. List of aquarium diseases - Wikipedia

    en.wikipedia.org/wiki/List_of_aquarium_diseases

    Disease Cause Fish Affected Image Symptoms Treatment Marine velvet: Amyloodinium parasite: All, fresh and salt water: Powdered appearance, gasping and disorganized swimming: Velvet disease: Oodinium and other parasites: All salt and freshwater fish: Golden dots, rubbing against rocks while swimming: Septicemia or Egtved virus: Viral hemorrhagic ...

  6. Scuba diving fatalities - Wikipedia

    en.wikipedia.org/wiki/Scuba_diving_fatalities

    There were few overt triggers or disabling agents identified, but reports suggested that about 60% of the decedents displayed symptoms of dyspnea, fatigue, chest pain or other distress, and 10% displayed these symptoms before the dive. Problems were noticed before entering the water in 24% of these cases, at the bottom in 46% of cases, and ...

  7. Decompression sickness - Wikipedia

    en.wikipedia.org/wiki/Decompression_sickness

    Decompression sickness (DCS; also called divers' disease, the bends, aerobullosis, and caisson disease) is a medical condition caused by dissolved gases emerging from solution as bubbles inside the body tissues during decompression.

  8. Velvet (fish disease) - Wikipedia

    en.wikipedia.org/wiki/Velvet_(fish_disease)

    Velvet disease (also called gold-dust, rust and coral disease) is a fish disease caused by dinoflagellate parasites of the genera Amyloodinium in marine fish, and Oodinium in freshwater fish. The disease gives infected organisms a dusty, brownish-gold color. The disease occurs most commonly in tropical fish, and to a lesser extent, marine ...

  9. Nitrogen narcosis - Wikipedia

    en.wikipedia.org/wiki/Nitrogen_narcosis

    Narcosis results from breathing gases under elevated pressure, and may be classified by the principal gas involved. The noble gases, except helium and probably neon, [2] as well as nitrogen, oxygen and hydrogen cause a decrement in mental function, but their effect on psychomotor function (processes affecting the coordination of sensory or cognitive processes and motor activity) varies widely.