Basics of a Dive Accident

The two most serious dive related accidents are Air Embolism (arterial gas embolism), and Decompression Sickness (venous gas embolism). Heart attack, CVA, drowning, trauma, etc.

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Recompression

There are two basic classes of diving emergency requiring recompression, air embolism (arterial gas embolism) and the Bends (decompression sickness). Air embolism is the most

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Nitrogen Narcosis

Air contains approximately 78% nitrogen, when it is compressed and breathed under pressure the elevated partial pressure (Dalton’s Law) of nitrogen can have a narcotic

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Subcutaneous Emphysema

Subcutaneous emphysema denotes air under the skin. It is typically seen in divers around the neck. In mild cases it may not even be noticed.

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Mediastinal Emphysema

Mediastinal emphysema is the result of gas expanding into the tissues in the center of the chest. Symptoms include mild to moderate pain in the

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Pneumothorax

Pneumo means: air; lung. Thorax is the chest cavity. Together pneumothorax means air is in the chest or pleural cavity where it is not supposed

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Oxygen Poisoning

Oxygen at an elevated partial pressure may have a toxic effect. Surplus oxygen affects the central nervous system (CNS) or the pulmonary system during extended

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Field Expedient First Aid

When operating without a first aid kit, or caught with more victims than your kit can provide for, you can use items you already have.

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