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. 2020 Feb 17;13:405–412. doi: 10.2147/DMSO.S230799

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© 2020 Zhang et al.

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In (A1-3) a large amount of gas has collected in the pericardium (green arrow), in the interstitial lung (red arrow), in the bronchial sheath (blue arrow), and in the pulmonary vascular sheath (yellow arrow), before entering the mediastinum (black arrow), which is a unique manifestation of diabetic ketoacidosis with pneumomediastinum. (B1-3) shows that there is no accumulation of gas in the pericardium, interstitial lung, bronchial and pulmonary vascular sheath, and mediastinum after correction for acidosis and hyperglycemia.