Diving emergencies
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| show | Boyle's law
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| show | 1 Atmospehere + 1ata for above water pressure
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| show | saltwater
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| 1 ATA/34 ft | show 🗑
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| total pressure exerted by a mixture of gases is the sum of of partial pressure gas | show 🗑
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| show | henry's Law
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| volume of air in ear decreases causing tympanic membrane to bend forward, causing pain and inury | show 🗑
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| force air through eustachian tube via valsalva to equalise pressure in idle ear | show 🗑
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| pain and mucosal oedema , may cause submucosal haemorrhage and stripping of sinus mucosa from bone | show 🗑
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| show | face squeeze
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| air spaces inside tooth compressed during ascent | show 🗑
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| show | dry-suit squeeze
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| show | parenchymal injury
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| mediastinal air tracking superiorly into the neck, causing subcutaneous air | show 🗑
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| pulmonary over inflation may cause | show 🗑
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| show | decompression sickness
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| show | type 1 DCS
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| show | type 2 DCS
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| cough, haemoptysis, dyspnoea, substernal chest pain &/or cardiovascular collapse | show 🗑
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| deep pain, unrelieved with movement, thought to be due to distention in ligaments or fascia | show 🗑
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| show | neuro symptoms of DCS
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| vertigo, hearing loss, tinnitus, equilibrium | show 🗑
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| show | increases risk of DCCS
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| show | symptoms of DCS
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| show | more serious symptoms of DCS
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| show | DO NOT do this if suspected DCS
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| assess ABCs, reassure, high flow O2 via non-rebreather, supine/lateral if unconscious, ILS/ALS intervention, IV access, fluid therapy, pain relief, aiway managment | show 🗑
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| show | hyperbaric O2 therapy
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| if giving oxygen therapy | show 🗑
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| occurs when breathing at depth of 30m+, also known as 'rapture of the deep' | show 🗑
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| show | symptoms of nitrogen narcosis
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| show | 1 martini
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| can occur while diving causing signs of pulmonary oedema, not caused by decompression and not treated with recompression therapy | show 🗑
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