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  2. Subcutaneous emphysema - Wikipedia

    en.wikipedia.org/wiki/Subcutaneous_emphysema

    Subcutaneous emphysema has a characteristic crackling-feel to the touch, a sensation that has been described as similar to touching warm Rice Krispies. [2] This sensation of air under the skin is known as subcutaneous crepitation, a form of crepitus. Numerous etiologies of subcutaneous emphysema have been described.

  3. Decompression sickness - Wikipedia

    en.wikipedia.org/wiki/Decompression_sickness

    Since bubbles can form in or migrate to any part of the body, DCS can produce many symptoms, and its effects may vary from joint pain and rashes to paralysis and death. DCS often causes air bubbles to settle in major joints like knees or elbows, causing individuals to bend over in excruciating pain, hence its common name, the bends.

  4. Air embolism - Wikipedia

    en.wikipedia.org/wiki/Air_embolism

    Gas embolism is a diving disorder experienced by underwater divers who breathe gases at ambient pressure, and can happen in two distinct ways: . Pulmonary barotrauma: Air bubbles can enter the bloodstream as a result of gross trauma to the lining of the lung following a rapid ascent while holding the breath; the air held within the lung expands to the point where the tissues tear (pulmonary ...

  5. Decompression illness - Wikipedia

    en.wikipedia.org/wiki/Decompression_illness

    Depressurisation causes inert gases, which were dissolved under higher pressure, to come out of physical solution and form gas bubbles within the body. These bubbles produce the symptoms of decompression sickness. [6] [7] Bubbles may form whenever the body experiences a reduction in pressure, but not all bubbles result in DCS. [8]

  6. Emphysema - Wikipedia

    en.wikipedia.org/wiki/Emphysema

    Trapped air can also develop in other tissues such as under the skin, known as subcutaneous emphysema. Orbital emphysema is the trapping of air in the orbit; a type of this is palpebral emphysema that affects just the eyelids. [62] Emphysematous gastritis is the presence of air in the stomach wall, usually caused by a bacterial infection. [63]

  7. Pulmonary contusion - Wikipedia

    en.wikipedia.org/wiki/Pulmonary_contusion

    The implosion effect occurs when a pressure wave passes through a tissue containing bubbles of gas: the bubbles first implode, then rebound and expand beyond their original volume. [29] The air bubbles cause many tiny explosions, resulting in tissue damage; [ 29 ] the overexpansion of gas bubbles stretches and tears alveoli.

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  9. Pneumothorax - Wikipedia

    en.wikipedia.org/wiki/Pneumothorax

    Traumatic pneumothoraces may be classified as "open" or "closed". In an open pneumothorax, there is a passage from the external environment into the pleural space through the chest wall. When air is drawn into the pleural space through this passageway, it is known as a "sucking chest wound". A closed pneumothorax is when the chest wall remains ...