What are the typical triad of symptoms in spontaneous pneumomediastinum?
Chest pain, shortness of breath and subcutaneous emphysema.
What are the precipitating factors for spontaneous pneumomediastinum?
Coughing, strenuous exercise, difficult labour, repeated vomiting, long breath hold, drugs , asthma and Valsalva maneuver.
Air is outlining the trachea, esophagus , left main bronchus and is extending to the neck around the carotid vessels.
There are no pulmonary bullae, blebs or cysts.
No pleural effusion.
Lungs are clear.
No mediastinal lymphadenopathy
No rib fractures.
Thoracic spine appears normal.