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In rare cases, pneumomediastinum may also arise as a result of blunt chest trauma (e.g. car accidents, fights, over pressure of breathing apparatus), while still evolving in the same fashion as the spontaneous form. [13] Pneumomediastinum is most commonly seen in otherwise healthy young male patients and may not be prefaced by a relevant ...
Pneumomediastinum occurs due to the escape of air from ruptured alveoli or airways into the mediastinal space. The rupture of alveoli due to increased intrathoracic pressure (e.g., from coughing, vomiting, or trauma) leads to air tracking along the peribronchovascular interstitium which in turn accumulates in the mediastinum.
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 can result from a number of events. For example, foreign body aspiration , in which someone inhales an object, can cause pneumomediastinum (and lead to subcutaneous emphysema) by puncturing the airways or by increasing the pressure in the affected lung(s) enough to cause them to burst.
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 .
The mediastinum (from Medieval Latin: mediastinus, lit. 'midway'; [2] pl.: mediastina) is the central compartment of the thoracic cavity.Surrounded by loose connective tissue, it is a region that contains vital organs and structures within the thorax, namely the heart and its vessels, the esophagus, the trachea, the vagus, phrenic and cardiac nerves, the thoracic duct, the thymus and the lymph ...
A spontaneous pneumoperitoneum is a rare case that is not caused by an abdominal organ rupture. This is also called an idiopathic spontaneous pneumoperitoneum when the cause is not known. [ 16 ] Causes of a spontaneous pneumoperitoneum, with no peritonitis include a barotrauma due to mechanical ventilation , and a tracheal rupture following an ...
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 ...