PMC6247481_01
First chest radiograph upon presentation to the Emergency Department. This chest radiograph showed the presence of air under the right hemi-diaphragm and also slight right lower zone infiltrates.
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The chest radiograph incidentally showed the presence of air under the right hemi-diaphragm and right lower zone infiltrates (Figure 1).
Repeated chest radiograph 6 h after presentation and post review of the first chest radiograph. The presence of Chilaiditi's sign is noted. There is gas under the diaphragm with the appearance of haustral folds (marked by black arrows) indicating the gas is confined within the bowel. This sign represents the colonic interposition between the liver and right hemi-diaphragm.
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A repeated chest radiograph (Figure 2) taken 6 h later showed gas under the diaphragm with the appearance of haustral folds.
Chest radiograph repeated at day 3 of admission showed complete resolution of Chilaiditi's sign.
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A repeated chest radiograph (Figure 3) on day 3 of admission showed complete disappearance of sub-diaphragmatic air and complete resolution of the abnormality.