Annual Diving Report - Divers Alert Network

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2. PROJECT DIVE EXPLORATION Percent of PDE Divers 18 16 14 12 10 8 6 4 2 0 Muscle and joint pain Seasickness Common cold like conditions Figure 2.2-5 Acute health problems before diving reported by PDE divers (n=1,521). 2.3 Dive Conditions This section reviews the diving environment, dive platform, breathing apparatus, reasons for diving, thermal protection, subjective thermal comfort, and subjective work rate. Ninety-seven percent of PDE dives were collected in saltwater while a little over one percent came from freshwater and about one percent of dives were done in caves or caverns. Two-thirds of the dives were from liveaboards and 26 percent from charter boats (Figure 2.3-1). Ninety-nine percent of the dives used open-circuit breathing apparatus. Rebreathers were used in less than one percent and surface-supplied in 0.02 percent. Ninety-nine percent reported sightseeing as the purpose of diving with teaching/learning, photography, proficiency, spear-fishing, or nonprofessional work declared in less than one percent. Thermal protection depended on the geographic area. Eighty-seven percent of divers on liveaboards operating in the Caribbean wore wetsuits or less thermal protection whereas 99 percent of divers in Scapa Flow wore drysuits. Of the beach and dayboat dives, nine percent were done in drysuits. Most divers indicated they were comfortably warm (Figure 2.3-2). Scapa Flow divers with drysuits reported being cold on 15 percent of dives and hot on 20 percent whereas the other dive groups were generally more comfortable (Table 2.3-1). Divers who were cold often reported leaking drysuits. Nearly 80 percent of PDE divers reported doing light work and nearly 20 percent reported moderate or heavy work (Figure 2.3-3). Thirty-six percent of Scapa Flow divers reported moderate or heavy work while liveaboard and beach and dayboat divers reported moderate of heavy work on only 15-20 percent of their dives (Table 2.3-2). Annual Diving Report: 2006 Edition 15
70 60 50 40 30 20 10 0 2. PROJECT DIVE EXPLORATION Liveaboard Charter boat Beach Small boat Figure 2.3-1 Percentage of the PDE sample by dive platform (n=23,947). 80 60 40 20 0 Hot Comfortable Cold Very Cold Not Specified Figure 2.3-2 Subjective thermal comfort of PDE divers (n=23,947). 16 Annual Diving Report: 2006 Edition
Page 1 and 2: ANNUAL DIVING REPORT 2006 EDITION F
Page 3 and 4: Acknowledgments Data for the 2006 R
Page 5 and 6: International DAN Offices DAN Ameri
Page 7 and 8: 1. INTRODUCTION PDE is a prospectiv
Page 9 and 10: 1.2 Annual Diving Injury and Fatali
Page 11 and 12: 1. INTRODUCTION 48 years from 1989
Page 13 and 14: 2. PROJECT DIVE EXPLORATION The Sca
Page 15: 2. PROJECT DIVE EXPLORATION Table 2
Page 19 and 20: 2.4 Dive Profiles 2. PROJECT DIVE E
Page 21 and 22: Percentage of Dives Percent of Dive
Page 23 and 24: Percentage of Dives 80 60 40 20 0 C
Page 25 and 26: 2. PROJECT DIVE EXPLORATION Ambiguo
Page 27 and 28: 2.5.2 Non-DCI Injury or Symptoms 2.
Page 29 and 30: 0 -40 -60 -80 -100 -120 -140 -160 2
Page 31 and 32: Case #3. Mild neurological DCS (DCS
Page 33 and 34: 3. DIVE INJURIES 3. DIVE INJURIES T
Page 35 and 36: 3. DIVE INJURIES treat fewer than 1
Page 37 and 38: 3. DIVE INJURIES The frequency of d
Page 39 and 40: Dizziness/Vertigo Skin Pulmonary He
Page 41 and 42: 3. DIVE INJURIES Figure 3.4-5 indic
Page 43 and 44: Percent of Cases 50 40 30 20 10 0 C
Page 45 and 46: 4. DIVE FATALITIES Table 4.1-1 Numb
Page 47 and 48: Percent of Fatalities 45 40 35 30 2
Page 49 and 50: 4. DIVE FATALITIES Figure 4.2-5 sho
Page 51 and 52: 4. DIVE FATALITIES Figure 4.3-3 sho
Page 53 and 54: 50 40 30 20 10 0 Surface pre-dive D
Page 55 and 56: Percent of Fatalities 30 20 10 70 6
Page 57 and 58: 4. DIVE FATALITIES Emergency ascent
Page 59 and 60: 4. DIVE FATALITIES The number of di
Page 61 and 62: 5. BREATH-HOLD DIVING Details on th
Page 63 and 64: Number of Cases of Cases 10 8 6 4 2
Page 65 and 66: APPENDIX A. DIVE INJURY CASE REPORT
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APPENDIX A. DIVE INJURY CASE REPORT
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APPENDIX A. DIVE INJURY CASE REPORT
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APPENDIX B. DIVE FATALITY CASE REPO
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APPENDIX C. BREATH-HOLD INCIDENT CA
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2004 Publications Refereed Articles
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computers. Undersea Hyperb Med 2004
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Vann RD, Wachholz CJ, Nord DA, Deno
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NOTES 100 Annual Diving Report: 200
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