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Mediastinal Emphysema
Air trapped in the centre chest around heart
Subcutaneous Emphysema
Air trapped in the upper chest
Pneumothorax
Air in chest cavity between lung and chest walls
Hydrostatical testing period of a Thai tank
Every 5 years
Two divers are sharing air
The donor should not have both hands free
Nitrogen narcosis (rapture of the deep)
Result of increasing partial pressure of nitrogen
Decompression sickness (bends)
Gas bubbles in joints and tissues
Cerebral Arterial Gas Embolism (CAGE)
An air bubble blocking blood to brain
Symbiotic relationship of corals
The relationship with a type of algae for the supply of oxygen
Pain in the middle of the chest around the heart
Mediastinal Emphysema
The stinging mechanism on a cone shell
The small end of the shell
Personality change and bloody froth from the nose
Signs & symptoms or air embolism
Diving in warm water
A diver can loose body heat because water will conduct heat roughly 25x faster than air
Swelling at base of neck and hoarseness
Symptoms of subcutaneous emphysema
Two symptoms of the bends (DCS)
Itching of skin & pain in joints
Best treatment for subcutaneous and mediastinal emphysema
Time
Should a student fail in some aspect of the training
Call the student aside and advise him privately
When sharing air with an alternate air source
The donor can offer either the primary or the alternate air source to the needer
The best treatment for air embolism and decompression sickness
Recompression
The best treatment for subcutaneous and mediastinal emphysema
Time