Pneumomediastinum is when air is present in the mediastinum. This is the space between the lungs and surrounding the heart. Air may enter from a leakage in a lung, the esophagus, or airways.

A chest tube is a thin, plastic tube that a doctor inserts into the pleural space, which is the area between the chest wall and the lungs. Doctors may need to use a chest tube for many purposes, such ...

Pneumomediastinum is a very rare condition that affects the respiratory system. It’s when air gets into the upper chest and starts accumulating, usually due to trauma or other illnesses that cause air ...