PMC9433779_01
A chest radiograph performed 5 h after implantation showing contralateral pneumothorax, pneumopericardium, and pneumomediastinum. (A) Posterior-anterior (PA) chest X-ray demonstrating contralateral pneumothorax and mild pneumomediastinum. (B) Coronal chest non-contrast computed tomography (CT) scan image showing right-sided pneumothorax, pneumomediastinum, and pneumopericardium (arrows). (C) Horizontal CT image showing pneumopericardium (arrow) and pneumothorax. (D) Horizontal slices of CT scan suggesting possible extrusion of the atrial lead through the right atrium (arrow).
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F1
Non-contrast computed tomography (CT) of the chest showed bilateral emphysema, right-sided pneumothorax with pneumopericardium and pneumomediastinum, a small right-sided pleural effusion, and the atrial lead crossing the cardiac contour, suggesting lead perforation through the pericardium and directly into the pleural cavity (Figure 1).