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Free diving to extreme depth. It can be avoided by limiting free diving depth to capacity of lungs to compensate, [35] and by training exercises to increase compliance of chest cavity. [citation needed] Rupture or supply pressure failure of a surface supply hose with simultaneous failure of the non-return valve. [35]
Scuba diving fatalities – Deaths occurring while scuba diving or as a consequence of scuba diving; Stand-by diver – A member of a dive team who is ready to assist or rescue the working diver; Underwater diving emergencies – Situations that endanger the life or health of a diver; Underwater environment – Aquatic or submarine environment
The next stage of the cascade/sequence is an incapacitating injury, which prevents the diver from further efforts to control the incident, most commonly asphyxia, followed by the official cause of death as the final stage. In freediving and scuba diving this is usually found to be drowning. [103]
The primary goal of dive planning, diver training and diving skills and procedures is to prevent and avoid diving emergencies. A significant part of diving equipment is also used for this purpose, and designed to further this goal. In general diving emergencies are prevented by: [9]
Narcosis can affect all ambient pressure divers, although susceptibility varies widely among individuals and from dive to dive. The main modes of underwater diving that deal with its prevention and management are scuba diving and surface-supplied diving at depths greater than 30 metres (98 ft).
The procedures vary depending on whether the diver is using scuba or surface supplied equipment. Scuba divers control their own descent and ascent rate, while surface supplied divers may control their own ascents and descents, or be lowered and lifted by the surface team, either by their umbilical, or on a diving stage, or in a diving bell.
The Professional Association of Diving Instructors estimates that there are between 1.6 and 2.9 million active divers in the U.S. In order to dive using scuba gear, a license is required, and ...
A Navy buddy diver team checking their gauges together. Buddy diving is the use of the buddy system by scuba divers and freedivers.It is a set of safety procedures intended to improve the chances of avoiding or surviving accidents in or under water by having divers dive in a group of two or sometimes three.