Pneumomediastinum natural history, complications and prognosis

Pneumomediastinum Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Trusha Tank, M.D.[2]

Overview

Pneumomediastinum is considered a benign entity with good prognosis. The main symptom of pneumomediastinum is chest pain. The onset of the pain is sudden and acute or follows exacerbations of underlying pathology such as asthma. Spontaneous pneumomediastinum usually resolves by itself, but prolonged cases have also been reported (>2 months). There also have been incidences of recurrence.