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The body can tolerate partial pressures of oxygen around 0.5 bars (50 kPa; 7.3 psi) indefinitely, and up to 1.4 bars (140 kPa; 20 psi) for many hours, but higher partial pressures rapidly increase the chance of the most dangerous effect of oxygen toxicity, a convulsion resembling an epileptic seizure. [14]
Drowning is a type of suffocation induced by the submersion of the mouth and nose in a liquid. Submersion injury refers to both drowning and near-miss incident. Most instances of fatal drowning occur alone or in situations where others present are either unaware of the victim's situation or unable to offer assistance.
Leakage of water into the breathing loop of a rebreather, which dissolves alkaline material used to chemically remove carbon dioxide from exhaled air. This contaminated water may move further along the breathing loop and reach the diver's mouth, where it may cause choking, and in the case of strong alkalis, caustic corrosion of the mucous ...
The hyoid bone fracture is a very rare fracture of the hyoid bone, accounting for 0.002% of all fractures in humans. It is commonly associated with strangulation and rarely occurs in isolation. The fracture may be associated with gunshot injury, car accidents or induced vomiting.
Some divers with symptoms or signs of mild decompression sickness may be evacuated by pressurised commercial airliner for further treatment after a surface interval of at least 24 hours. The 2004 workshop considered it unlikely for this to cause a worse outcome. Most experience has been for short flights of less than two hours.
And no matter what you call it — it means the bone is in trouble. "So, there are lots of different types of breaks, but ultimately cracked, broken, fractured, snapped. You pick the term.
Doctors explain why this trend can damage your appearance and cause long-term health problems.
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