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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 nervous syndrome, oxygen toxicity, and pulmonary barotrauma (burst lung). Although some ...
Traumatic experiences of being frightened while swimming, or almost drowning are also leading causes of thalassophobia. In addition to this, observing others, particularly parental figures and other influential adults, who also had a fear of deep water are considered contributing factors for developing thalassophobia later in life. [ 13 ]
Drowning is a type of suffocation induced by the submersion of the mouth and nose in a liquid. Submersion injury refers to both drowning and near-miss incident. Most instances of fatal drowning occur alone or in situations where others present are either unaware of the victim's situation or unable to offer assistance.
The correct Greek-derived term for "water-fear" is hydrophobia, from ὕδωρ (hudōr), "water" [4] and φόβος (phobos), "fear". [5] However, this word has long been used in many languages, including English, to refer specifically to a symptom of later-stage rabies, which manifests itself in humans as difficulty in swallowing, fear when presented with liquids to drink, and an inability to ...
The diving reflex is triggered specifically by chilling the face and breath-hold. [ 6 ] [ 19 ] The most noticeable effects are on the cardiovascular system, which displays peripheral vasoconstriction, slowed pulse rate, redirection of blood to the vital organs to conserve oxygen, release of red blood cells stored in the spleen , and, in humans ...
Swimmer's itch, cercarial dermatitis or schistosome dermatitis is a short-term allergic contact dermatitis occurring in the skin of humans that have been infected by water-borne schistosomes, a type of flatworm. It is common in freshwater, brackish and marine habitats worldwide. [1]
When you crack your neck, that feeling of relief is caused by releasing some gas bubbles which relieves some of the pressure inside the joint.” The cracking sound that you hear or feel is the ...
The instinctive drowning response is an instinctive reaction that occurs in humans, particularly in non-swimmers, when close to drowning. It is focused on attempting to keep the mouth above water to the exclusion of useful effort to attract help or self rescue, and is often not recognized by onlookers.