Hydropneumopericardium After Intubation

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Chest radiography indicated cardiomegaly with an air–fluid level at the level of the heart.

Chest CT showed hydropneumopericardium. Echocardiography showed a massive pericardial effusion causing more than 25% respiratory variation of mitral inflow, consistent with tamponade physiology.

A pericardial window was made and drained about 1 L of serosangiunous fluid. Pericardial fluid culture was negative and pericardial biopsy analysis showed acute and chronic inflammation and fibrosis.

The patient had an uneventful hospital course after therapeutic drainage. 2 weeks later, follow-up echocardiography showed only mild pericardial effusion.