Double-density sign
Double-density sign
Double-density sign is seen in
[A] LA enlargement
[B] RA enlargement
[C] LA and RA enlargement
[D] RV enlargement
Double-density sign
Also known as the double right heart border
Left atrial enlargement – Seen on frontal chest radiographs in the presence of – Left atrial enlargement
Occurs when the right side of the left atrium extends behind the right cardiac shadow,
Case courtesy of Alexandra Stanislavsky, Radiopaedia.org. From the case rID: 20314
