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Diving disorders are medical conditions specifically arising from underwater diving. The signs and symptoms of these may present during a dive, on surfacing, or up to several hours after a dive. The principal conditions are decompression illness (which covers decompression sickness and arterial gas embolism ), nitrogen narcosis , high pressure ...
Approximately 90 percent of patients with DCS develop symptoms within three hours of surfacing; only a small percentage become symptomatic more than 24 hours after diving. [3] Below is a summary comparison of the signs and symptoms of DCI arising from its two components: Decompression Sickness and Arterial Gas Embolism. Many signs and symptoms ...
This second group further divides conditions caused by exposure to ambient pressures significantly different from surface atmospheric pressure, and a range of conditions caused by general environment and equipment associated with diving activities. Disorders particularly associated with diving include those caused by variations in ambient ...
Three-month follow-ups on diving accidents reported to DAN in 1987 showed 14.3% of the 268 divers surveyed had ongoing symptoms of Type II DCS, and 7% from Type I DCS. [ 110 ] [ 111 ] Long-term follow-ups showed similar results, with 16% having permanent neurological sequelae.
The condition follows an exposure to breathing through apparatus that could allow aspiration of small quantities of salt water as an aerosol. An immediate cough with sputum followed by a latent period of about two hours average, respiratory symptoms and signs, reduction in forced expiration volume and vital capacity, possible radiographic changes and generalised symptoms of malaise, rigors ...
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Diving-related conditions resulting from the short and long-term effects of diving, flying after diving, altitude, thermal conditions, age and gender; Neurologic assessment on a diver with signs and/or symptoms of DCI; Medical and fitness standards for diving, including: contraindications for both commercial and recreational divers