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- Controlled_emergency_swimming_ascent abstract "Controlled Emergency Swimming Ascent (CESA) is a technique used by scuba divers as an emergency procedure when a diver has run out of breathing gas in shallow water and must return to the surface.The technique involves simply ascending at a controlled pace, typically about 18 metres (60 feet) per minute, while exhaling slowly. As the diver ascends, the air in the lungs expands as surrounding water pressure decreases. Exhaling allows excess volume to escape from the lungs, and by exhaling at a suitable rate the diver can continue exhaling throughout the ascent and still have air in his or her lungs at the surface. If the diver fails to exhale during the ascent, lung over expansion injury is likely to occur. If exhalation is limited to relaxing and allowing the expanding gas to escape without effort, there should not be a feeling of running out of breath, as the air inhaled at depth expands during the ascent and the lung volume should remain nearly constant.While in a practical sense there is little difference between a CESA and a \"free ascent\" (aka Emergency Swimming Ascent or ESA), the technical difference between the two is that in a CESA the regulator second stage is retained in the mouth and the diver exhales through it (in case gas becomes available due to the drop in ambient pressure) while in free ascent, the regulator is not retained or there is no regulator available, and the diver exhales directly into the water.".
- Controlled_emergency_swimming_ascent wikiPageExternalLink 6175.
- Controlled_emergency_swimming_ascent wikiPageExternalLink 6179.
- Controlled_emergency_swimming_ascent wikiPageExternalLink 6180.
- Controlled_emergency_swimming_ascent wikiPageExternalLink 6181.
- Controlled_emergency_swimming_ascent wikiPageExternalLink 6186.
- Controlled_emergency_swimming_ascent wikiPageID "5575370".
- Controlled_emergency_swimming_ascent wikiPageLength "3476".
- Controlled_emergency_swimming_ascent wikiPageOutDegree "6".
- Controlled_emergency_swimming_ascent wikiPageRevisionID "660898343".
- Controlled_emergency_swimming_ascent wikiPageWikiLink Barotrauma.
- Controlled_emergency_swimming_ascent wikiPageWikiLink Breathing_gas.
- Controlled_emergency_swimming_ascent wikiPageWikiLink Category:Underwater_diving_emergency_procedures.
- Controlled_emergency_swimming_ascent wikiPageWikiLink Category:Underwater_diving_safety.
- Controlled_emergency_swimming_ascent wikiPageWikiLink Emergency_ascent.
- Controlled_emergency_swimming_ascent wikiPageWikiLink Scuba_diving.
- Controlled_emergency_swimming_ascent wikiPageWikiLinkText "Controlled emergency swimming ascent".
- Controlled_emergency_swimming_ascent wikiPageWikiLinkText "controlled emergency swimming ascent".
- Controlled_emergency_swimming_ascent wikiPageWikiLinkText "free ascents".
- Controlled_emergency_swimming_ascent wikiPageWikiLinkText "procedures for self rescue".
- Controlled_emergency_swimming_ascent wikiPageUsesTemplate Template:Citation_needed.
- Controlled_emergency_swimming_ascent wikiPageUsesTemplate Template:Cite_journal.
- Controlled_emergency_swimming_ascent wikiPageUsesTemplate Template:Further2.
- Controlled_emergency_swimming_ascent wikiPageUsesTemplate Template:Reflist.
- Controlled_emergency_swimming_ascent wikiPageUsesTemplate Template:Underwater-diving-stub.
- Controlled_emergency_swimming_ascent wikiPageUsesTemplate Template:Underwater_diving.
- Controlled_emergency_swimming_ascent subject Category:Underwater_diving_emergency_procedures.
- Controlled_emergency_swimming_ascent subject Category:Underwater_diving_safety.
- Controlled_emergency_swimming_ascent hypernym Technique.
- Controlled_emergency_swimming_ascent type TopicalConcept.
- Controlled_emergency_swimming_ascent type Redirect.
- Controlled_emergency_swimming_ascent comment "Controlled Emergency Swimming Ascent (CESA) is a technique used by scuba divers as an emergency procedure when a diver has run out of breathing gas in shallow water and must return to the surface.The technique involves simply ascending at a controlled pace, typically about 18 metres (60 feet) per minute, while exhaling slowly. As the diver ascends, the air in the lungs expands as surrounding water pressure decreases.".
- Controlled_emergency_swimming_ascent label "Controlled emergency swimming ascent".
- Controlled_emergency_swimming_ascent sameAs Q5165916.
- Controlled_emergency_swimming_ascent sameAs m.0dtbd7.
- Controlled_emergency_swimming_ascent sameAs Q5165916.
- Controlled_emergency_swimming_ascent wasDerivedFrom Controlled_emergency_swimming_ascent?oldid=660898343.
- Controlled_emergency_swimming_ascent isPrimaryTopicOf Controlled_emergency_swimming_ascent.