Haystack sign (pneumomediastinum)

The haystack sign on chest x-rays in paediatric patients is indicative of pneumomediastinum. The paediatric heart is surrounded above and below with gas, giving it an appearance of a haystack from Monet's paintings. 

Chest x-ray
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Article information

rID: 35323
Section: Signs
Tag: cases, refs, stub
Synonyms or Alternate Spellings:

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Cases and figures

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    Figure 1: haystacks
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    Case 1: pneumomediastinum
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