CHORUS

Collaborative Hypertext of Radiology

Cardiovascular system

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epicardial fat sign

• two lucent lines on lateral CXR anterior to heart
  • subepicardial fat around LAD
  • anterior mediastinal fat

• lines seen in 40% of all lateral CXRs

• if separation > 2 mm ==> consider pericardial effusion or thickening

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Copyright © 2013, Charles E. Kahn, Jr.