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Chest pain in an adolescent male
International Journal of Emergency Medicine volume 1, pages225–226 (2008)
A 15-year-old boy was referred to our emergency department for evaluation of subcutaneous emphysema. The patient had presented with gradual onset of dull resting chest pain lasting for almost an hour. The nature of the pain subsequently changed to sharp and radiated to his throat. He had undergone a chest X-ray at the outside emergency department which was remarkable for subcutaneous emphysema. Laboratory evaluation revealed no abnormality. He was subsequently transferred to our emergency department without any further intervention. The patient was symptom free upon arrival. He denied any history of trauma or prior such episodes. Physical examination revealed a well appearing male, alert, oriented, and in no acute distress with palpable subcutaneous emphysema over the right trapezius muscle and neck. A computed tomography (CT) scan of the chest was obtained (Figs. 1 and 2). Chest CT confirmed the presence of subcutaneous emphysema as seen in Fig. 1 (arrowhead). There was additional evidence of extensive pneumomediastinum (white arrow). There was no pneumothorax, obvious esophageal or tracheolaryngeal perforation, or fistula.
Spontaneous mediastinal emphysema (Hamman’s syndrome/pneumomediastinum) is a rare condition which is usually benign and nonrecurrent. It is known to be associated with transiently elevated intra-alveolar pressures . It may present without any underlying precipitating factors or may be secondary to many factors . The commonest presentation is with chest pain and dyspnea, with subcutaneous emphysema being the most common sign . A precordial crunching sound synchronous with the heartbeat is the characteristic Hamman’s sign , which was absent in our patient. Treatment is expectant . The patient was observed for a few hours and subsequently dismissed. The patient did well on follow-up and had an uneventful course.
Newcomb AE, Clarke CP (2005) Spontaneous pneumomediastinum: a benign curiosity or a significant problem? Chest 128(5):3298–3302
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