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Pneumomediastinum can also be characterized by the shortness of breath that is typical of a respiratory system problem. It is often recognized on auscultation by a "crunching" sound timed with the cardiac cycle (Hamman's crunch). Pneumomediastinum may also present with symptoms mimicking cardiac tamponade as a result of the increased ...
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 ...
Barotrauma is physical damage to body tissues caused by a difference in pressure between a gas space inside, or in contact with, the body and the surrounding gas or liquid. [1] [2] The initial damage is usually due to over-stretching the tissues in tension or shear, either directly by an expansion of the gas in the closed space or by pressure difference hydrostatically transmitted through the ...
Hamman's syndrome, also known as Macklin's syndrome, is a syndrome of spontaneous subcutaneous emphysema [1] (air in the subcutaneous tissues of the skin) and pneumomediastinum (air in the mediastinum, the center of the chest cavity), sometimes associated with pain and, less commonly, dyspnea (difficulty breathing), dysphonia, and a low-grade fever.
pneumomediastinum Hamman's sign (rarely, Hammond's sign [ 1 ] or Hammond's crunch [ 2 ] ) is a medical sign consisting of a crunching, rasping sound, synchronous with the heartbeat, [ 3 ] heard over the precordium in spontaneous mediastinal emphysema .
Authorities say the missing Titan submersible was destroyed in a catastrophic implosion sometime after it submerged on Sunday. Former Navy submarine operator Mark Barry joined Scripps News to ...
The European Underwater and Baromedical Society (EUBS) is a primary source of information for diving and hyperbaric medicine physiology worldwide. The organization was initially formed as the European Underwater and Biomedical Society in 1971. [44] National Board of Diving and Hyperbaric Medical Technology
Swimming induced pulmonary edema (SIPE), also known as immersion pulmonary edema, is a life threatening condition that occurs when fluids from the blood leak abnormally from the small vessels of the lung (pulmonary capillaries) into the airspaces (alveoli).