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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 ...
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.
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.
oesophageal perforation w/ pneumomediastinum: crepitus in sync w/ heartbeat but not respiration Hampton's hump: Aubrey Otis Hampton: pulmonology, radiology: pulmonary embolus with infarct: Hampton's hump at Who Named It? wedge shaped consolidation at periphery with base on the pleura Hampton's line: Aubrey Otis Hampton: radiology ...
By Paul Mohai, Byoung-Suk Kweon, Sangyun Lee, and Kerry Ard Air Pollution Around Schools Is Linked To Poorer Student Health And Academic Performance
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Once the pneumothorax or pneumomediastinum that causes the subcutaneous emphysema is resolved, with or without medical intervention, the subcutaneous emphysema will usually clear. [18] However, spontaneous subcutaneous emphysema can, in rare cases, progress to a life-threatening condition, [ 5 ] and subcutaneous emphysema due to mechanical ...
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