| secondary drowning | Pulmonary oedema and resulting asphyxia, resulting from hypoxia and increased permeability of pulmonary capillaries occurring in a patient who has been immersed in and aspirated some water. (05 Mar 2000) |
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| near drowning | Any almost drowning. All cases should be evaluated by a physician. Complications include aspiration pneumonia and adult respiratory distress syndrome. (27 Sep 1997) |
| drowning | Death within 24 hours of immersion in liquid, either due to anoxia or cardiac arrest caused by sudden extreme lowering of temperature (immersion syndrome). See: near drowning. (05 Mar 2000) |
| dry drowning | Drowning in an individual whose laryngeal reflexes are brisk, resulting in spasm that prevents inhalation of water; may be associated with the highest recovery rate. (05 Mar 2000) |