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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 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.
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.
On a chest X-ray, the sail sign is a radiologic sign that suggests left lower lobe collapse. [1] In children, however, a sail sign could be normal, reflecting the shadow of the thymus.
patient required to hold paper between thumb and palm (against attempt to withdraw);ability to do so is assessed Gallavardin phenomenon: Louis Gallavardin: cardiology: aortic stenosis: dissociation of musical and noisy elements in ejection murmur Gamna–Favre bodies: Carlos Gamna, Maurice Favre: histology: lymphogranuloma venereum
Triplet and higher multiple births nosedive. In 2004, of the people younger than 35 who gave birth with the help of IVF, 32.7% delivered twins, and 4.9% delivered triplets, according to doctors at ...
A 19-year-old San Diego State University student named Steele Idelson was among dozens of people wounded in the tragic New Orleans truck attack. As law enforcement officials investigate hundreds ...
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 ...