Question:

What are the three most common clinical features of spontaneous pneumomediastinum?
1. Chest pain
2. Dyspnoea
3. Subcutaneous emphysema of the neck
4. Subcutaneous emphysema of the chest wall
5. Hamman`s sign





Answer:

The correct answers for the question "What are the three most common clinical features of spontaneous pneumomediastinum?" are:

1. Chest pain

2. Dyspnoea

3. Subcutaneous emphysema of the neck



Explanation
Studies across the board have consistently found pleuritic chest pain, dyspnoea and subcutaneous emphysema to be the most common clinical features of spontaneous pneumomediastinum. In Macia et al2 subcutaneous emphysema of the neck (65.8%) was found to be significantly more common than subcutaneous emphysema of the chest wall (26.8%). Hamman`s sign, considered pathognomonic of pneumomediastinum and described as crunching or crackling sounds associated with auscultation of the heart beat, has universally been found to be a poor sign.



From the manuscript:
Spontaneous Pneumomediastinum Associated with Sex
Radiology Case. 2010 Apr; 4(4):25-29


This article belongs to the Chest section.




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From the manuscript

Spontaneous Pneumomediastinum Associated with Sex

Free full text article: Spontaneous Pneumomediastinum Associated with Sex

Abstract
We present a case of spontaneous pneumomediastinum (SPM) associated with sex. A 22-year-old lesbian with a history of asthma, cigarette and illicit drug smoking was diagnosed with a SPM after developing chest pain and dyspnoea in the context of performing oral sex. The main finding was subcutaneous emphysema involving the neck. SPM is an important differential diagnosis for chest pain in young people. It is a benign condition and diagnosis mainly limited to chest X-ray with increased incidence in asthmatics, smokers and drug addicts.






References



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