When air and fluid mix together in the pericardial sac, a tinkling sound superimposed over a succussion splash is heard. This is known as a “Bruit de Moulin”, which is French for “Mill–wheel” murmur. Air between the anterior parietal pericardium and the thoracic cage may also give rise to the “Hamman’s Sign” – which is a crunching sound typically heard on auscultation of the chest, but may sometimes be heard even with the unaided ear. Treatment
See also
Hammans sign

References
Further reading
Karoui, Mehdi; Bucur, Petru Octav (2 October 2008). "Pneumopericardium". New England Journal of Medicine. 359 (14): e16. doi:10.1056/NEJMicm074422. Franklin, WJ; Arora, G; Ayres, NA (2003). "Pneumopericardium and pneumomediastinum in an adolescent after blunt chest trauma". Texas Heart Institute Journal. 30 (4): 338–9. PMC 307727. PMID 14677752. == External links ==
An option to treat with carbon dioxide laser therapy, followed by topical tretinoin therapy has been described.Surgery may be necessary to remove large nodules. Alternatively, nodules can be injected with corticosteroids such as triamcinolone. See also
List of cutaneous conditions

References


== External links ==