deep diving what is deep diving? planning considerations narcosis decompression sickness equipment...
Post on 20-Jan-2016
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Deep Diving
• What is deep diving?
• Planning Considerations
• Narcosis
• Decompression Sickness
• Equipment
• USCG Duane
Deep Diving
• Deep diving definition
• The Maximum Recreational limit
• Technical Diving
Deep Diving
• Reasons for deep diving
• Extending depth limits
• Stress
Deep DivingAdditional Considerations
• Safety stops• Emergency
procedures• Surface support• Buddy techniques
Planning Considerations
• Shorter bottom times• Density• Air Consumption• No-Decompression
Limits
Nitrogen Narcosis
• What is narcosis?• Effects• Concerns• Prevention
Nitrogen NarcosisEvaluation
• Timed math problems– Surface– At depth
Decompression Sickness
• The “Bends”• Caisson Disease
– What causes DCS?
– Contributing Factors
Decompression SicknessSymptoms
• Pain in joints• Weakness• Skin Rash• Numbness • Vomiting• Visual disturbances• Tingling• Dizziness
• Decreased sensation• Paralysis• Unconsciousness• Extreme Fatigue• Headache• Ringing Ears• Muscle pain• Personality change
Decompression Sickness
• Symptom Onset• First Aid• Hyperbaric Treatment
Decompression SicknessPrevention
• Dive Planning
• Table use/dive computer
• No-Decompression Limits
• Bottom times
• Ascent Rates
Deep Diving Gear
• Suitable Regulator• SPG• Timing and Depth • Redundant supply• Additional Tanks• Descent Line
Deep Dive - USCG Duane
• Commissioned 1936
• De-Commissioned 1985
• Sunk 1987 – Artificial Reef
• 327 ft. long
• Cost $2,468,460
• Lies in 130 fsw
Deep Dive - Duane
• Max Depth-110
• Max Bottom Time-15 min
• Ascent Pressure-1200 psi
• Ascent Time- 12 min
Deep Dive Duane
• Entry
• Descent
• The Dive– Groups, Currents, Goals
• Emergency Procedures
Deep Dive Duane
• Ascent
• Safety Stop
• Boarding the boat
• Roll Call
Deep Diving - End
• What is deep diving?
• Planning Considerations
• Narcosis
• Decompression Sickness
• Equipment
• USCG Duane
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