Handling Scuba Diving Emergencies

These create a cramping sensation, nausea, and lightheadedness, and a physical sensation referred to by divers as The Bends. DCS usually occurs on an overly fast descent, as the body and the regulator can't compensate fast enough for the increased water pressure.Decompression Injuries: CAGE - Cerebral arterial gas embolism occurs more often as a result of an uncontrolled rapid ascent, as opposed to the bends that hit divers due to a fast descent. This manifests as sharp pains in the body, especially in the sinuses, head, and in the lung area. This is a very serious condition that can be potentially fatal. CAGE is caused when the rapid ascent of the diver causes air bubbles similar to those formed during DCS, only this time the air pressure changes that trigger the bubbles in the body are due to a sudden lessening of the water pressure surrounding the body. This causes the trapped air to have a higher pressure volume than the surrounding atmosphere. In effect, the diver is an unopened can of soda that got shaken real good underwater, and once he leaves the water, it's the same effect as opening the can...Injuries - the injuries that can occur from decompression range from the merely bothersome, like nausea, sharp pains, and cramps, to more serious matters. One of the most potentially damaging is trapped air bubbles reaching the heart or the cerebral system. As some of you may have seen on television, there are episodes where a villain kills a sleeping victim in a hospital by injecting air into their dextrose. The air bubbles formed in the veins cause cardiac arrest when they hit the heart, or a stroke when they hit the brain.

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