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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.
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 .
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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 ...
Pneumopericardium is a medical condition where air enters the pericardial cavity.This condition has been recognized in preterm neonates, in which it is associated with severe lung pathology, after vigorous resuscitation, or in the presence of assisted ventilation. [2]
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Rapid diagnosis and treatment are important in the care of TBI; [6] if the injury is not diagnosed shortly after the injury, the risk of complications is higher. [11] Bronchoscopy is the most effective method to diagnose, locate, and determine the severity of TBI, [6] [10] and it is usually the only method that allows a definitive diagnosis. [23]