Report on Decompression Illness, Diving Fatalities and Project Dive

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Figure 2.4-2 describes the breathing gas used by PDE volunteers in2003. Air was used in the majority of dives (81 percent). Nitroxwas used in 18 percent, and helium was part of the gas mix in lessthan 1 percent of the dives sampled. The fraction of captured divesusing nitrox was significantly lower than in previous years,although the absolute number of nitrox dives did not decrease.This was due mainly to a large increase in number of liveaboarddiving from the boats that did not use nitrox.Section 2 - Project Dive Exploration (PDE)Figure 2.4-2Percentageof the dives bybreathing gas.Almost all of the PDE dives (99 percent) used open-circuit scubabreathing apparatus. Rebreathers were used in less then 1 percentand surface-supplied gear in 0.02 percent of the dives.Figure 2.4-3Percentageof the dives bybreathing gear.DAN’s <strong>Report</strong> on Decompression Illness, Diving Fatalities and Project Dive Exploration: 2005 Edition 31
Section 2 - Project Dive Exploration (PDE)Figure 2.5-1Percentageof the PDEsample by typeof dive seriesfor 2003(n = 2,703).Thermal protection employed by divers in the sample dependedon the geographic area where the dive was made. On a liveaboardthat operates in the Caribbean, 87 percent of divers wore wetsuitsor lesser thermal protection suits. In Scapa Flow, nearly all divers(99 percent) wore drysuits. Of the Beach and Day Boats dives, 5percent were done in dry or heated suits.The reported purpose of the dive in our sample was overwhelminglysightseeing (99 percent), with teaching / learning, photography,proficiency, spearfishing, or non-professional work declaredin less than 1 percent.2.5 Dive SeriesPDE recorded 2,686 dive series in 2003. Figure 2.5-1 breaks downthose series by the number of days of diving. Dive series comprisedmultiday diving in 73 percent of the cases, single-day repetitivediving in 17 percent of the cases and single dives in 10 percentof the cases. This pattern was similar to that evident in thedata collected from 1998 through 2002.32DAN’s <strong>Report</strong> on Decompression Illness, Diving Fatalities and Project Dive Exploration: 2005 Edition
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Page 20 and 21: 1. INTRODUCTIONDivers Alert Network
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Figure 4.4-2Report
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Section 4 - Dive FatalitiesConclusi
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Figure 5.1-2 shows the proportion o
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Figure 5.1-6 shows a comparison of
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Figures 5.2-3 and 5.2-4 show how th
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6. Breath-HoldingIncidents6.1 Intro
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Section 6 - Breath-Holding Incident
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Appendix A: Dive Injury Case <stron
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Appendix A: Injury Case Rep
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Appendix C: Breath-Holding Incident
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Glossarymatical models to compute d
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GlossaryRepresentative SampleA grou
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2004 Publications2004 PublicationsR
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NotesDAN’s Report</strong
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The only 24-hour, worldwide dive em
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Report on Decompression Illness, Diving Fatalities and Project Dive

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