Pneumomediastinum physical examination: Difference between revisions

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==Overview==
==Overview==
In spontaneous pneumomediastinum, the patient appears normal. Patient with pneumomediastinum secondary to an exacerbation of asthma may appear distressed. On physical examination, the most pathognomic sign of pneumomediastinum is Hamman's sign, which is mediastinal crunch or click present on auscultation over the cardiac apex and the left sternal border synchronous with the heartbeat. Subcutaneous emphysema can also be detected in a patient with pneumomediastinum.


==Physical Examination==
==Physical Examination==
Pneumomediastinum is uncommon, it occurs when air leaks from any part of the lung or airways into the [[mediastinum]] and is often recognized on [[auscultation]] by a "crunching" sound timed with the cardiac cycle ([[Hamman's crunch]]). [[Subcutaneous emphysema]] is one of the symptoms of pneumomediastinum.
 
Important physical exam finding includes:
 
*[[Subcutaneous emphysema]](


==References==
==References==

Revision as of 17:08, 13 December 2018

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Trusha Tank, M.D.[2]

Overview

In spontaneous pneumomediastinum, the patient appears normal. Patient with pneumomediastinum secondary to an exacerbation of asthma may appear distressed. On physical examination, the most pathognomic sign of pneumomediastinum is Hamman's sign, which is mediastinal crunch or click present on auscultation over the cardiac apex and the left sternal border synchronous with the heartbeat. Subcutaneous emphysema can also be detected in a patient with pneumomediastinum.

Physical Examination

Important physical exam finding includes:

References

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