PMC7566206_01
Chest X-ray showing radiolucency within the pericardium (Pneumopericardium), left side pneumothorax and a misplaced chest tube.
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For these new findings, a control chest x-ray was taken (Fig. 1) and it showed pneumopericardium with a classical "halo sign".
Chest X-ray taken 2 days later showing relatively decreased air within the pericardium.
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In subsequent days following the procedure, the pneumopericardium decreased and the chest drain output reduced remarkably (Fig. 2, Fig. 3).