possible; attaching oneself to a buoyant object can improve the chance of survival should unconsciousness. A b c d e f g h i j k l m n o p Szpilman, David; Bierens, Joost.L.M.; Handley, Anthony.; Orlowski, James. Archived from the original on Retrieved "Drowning - Symptoms, diagnosis and treatment". 36 A water temperature of 10 C (50 F) can lead to death in as little as one hour, and water temperatures hovering at freezing can lead to death in as little as 15 minutes. The brain will die after approximately six minutes without oxygen at normal body temperature, but hypothermia of the central nervous system may prolong this. Risk can vary with location depending on age. 43 Drowning in salt water can leave significantly different concentrations of sodium and chloride ions in the left and right chambers of the heart, but this will dissipate if the person survived for some time after the aspiration, or if CPR was attempted, 23 and. 18 Hyperventilation reduces the carbon dioxide content of the blood but leaves the diver susceptible to sudden loss of consciousness without warning from hypoxia. Journal of the International Neuropsychological Society. 1, symptoms following rescue may include breathing problems, vomiting, confusion, or unconsciousness. 55 In the fishing industry, the largest group of drownings is associated with vessel disasters in bad weather, followed by man-overboard incidents and boarding accidents at night; either in foreign ports, or under the influence of alcohol. Bull World Health Organ. 56 In many countries, drowning is one of the main causes of preventable death for children under 12 years old. The purpose of investigation is generally to distinguish whether the death was due to immersion, or whether the body was immersed post mortem. Retrieved 19 February 2008. US Centers for Disease Control and Prevention. 4, significant amounts of water typically only enter the lungs later in the process.
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