Spontaneous pneumomediastinum is rare, primarily seen in the young adult male population.

Patients will present with acute chest pain that can radiate anterior, posterior and/or superior to the jaw.

It is important to ensure the patient, has not suffered an esophageal perforation.

Computed tomography is the gold standard in the diagnosis of spontaneous pneumomediastinum, with some papers claiming up to 30% of chest x-rays with spontaneous pneumomediastinum reported as normal.

Treatment is often conservative, as was the plan for the above patient ^1,2.