Case contributed by Dr Pir Abdul Ahad Aziz Qureshi


Presented in the emergency department with worsening shortness of breath.

Patient Data

Age: Neonate
Gender: Female

Air is seen projecting over the heart shadow extending into the superior mediastinum representing pneumomediastinum. NG tube in place.

Case Discussion

Pneumomediastinum is the presence of extraluminal gas within the mediastinum. It is distinguished from pneumopericardium as the air in the pericardial sac should not rise above the anatomic limits of the pericardial reflection on the proximal great vascular pedicle. Note the air extending beyond the great vascular pedicle denoting the air to be in the mediastinum.

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Case information

rID: 62586
Published: 23rd Aug 2018
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included
Institution: Liaquat National Hospital

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