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You are here : AllRefer.com > Health > Diseases & Conditions > Pneumomediastinum

Pneumomediastinum

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Definition

Overview, Causes, & Risk Factors

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Alternate Names : Mediastinal Emphysema

Definition

Pseudomediastinum is a condition in which air is present in the mediastinum (the space in the chest between the two lungs). This can be caused by a traumatic injury or disease.

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Overview, Causes, & Risk Factors

Pneumediastinum is uncommon. It occurs when air leaks from any part of the lung or airways into the mediastinum.

One cause is when increased pressure within the lungs or airways ruptures the air sacs or airways, allowing air to escape into surrounding structures. Such pressure can be caused by excessive coughing, sneezing, vomiting or repeated Valsalva maneuvers (bearing down to increase abdominal pressure, such as during childbirth or defecation). It may also occur following perforation of the trachea (windpipe), rapid ascents in altitude, or SCUBA diving.

Pneumediastinum also can occur in association with pneumothorax or other diseases.


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Definition
Pneumomediastinum Overview, Causes, & Risk Factors
Pneumomediastinum Symptoms & Signs
Pneumomediastinum Diagnosis & Tests
Pneumomediastinum Treatment
Pneumomediastinum Prognosis
Pneumomediastinum Complications
Calling Your Health Care Provider
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Review Date : 2/1/2003
Reviewed By : David A. Kaufman, M.D., Pulmonary & Critical Care Medicine, University of Pennsylvania Medical Center, Philadelphia, PA. Review provided by VeriMed Healthcare Network.

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