EuroPCR2026-images-95722-halo-effect-cardiac-amyloidosis

What is the diagnosis?
Massive pneumomediastinum with tracking of air into the deep cervical fascial planes, typically characterized by the "continuous diaphragm sign."
Iatrogenic pneumopericardium, visualized as a distinct, continuous radiolucent band completely outlining the epicardial border, directly associated with the pigtail catheter placement
Left-sided tension pneumothorax causing significant rightward mediastinal shift and depression of the left hemidiaphragm, requiring immediate needle decompression
Correct! The correct answer is "Iatrogenic pneumopericardium, visualized as a distinct, continuous radiolucent band completely outlining the epicardial border, directly associated with the pigtail catheter placement".
 
A distinct radiolucent halo surrounds the cardiac silhouette. This pathognomonic finding indicates iatrogenic pneumopericardium resulting from air entry via the left pigtail catheter.

 
Good try! The correct answer is "Iatrogenic pneumopericardium, visualized as a distinct, continuous radiolucent band completely outlining the epicardial border, directly associated with the pigtail catheter placement".
 
A distinct radiolucent halo surrounds the cardiac silhouette. This pathognomonic finding indicates iatrogenic pneumopericardium resulting from air entry via the left pigtail catheter.
 
 
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