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Open Access Publications from the University of California

Echocardiographic Features of Giant Right Atrial Diverticulum in a Dog.

  • Author(s): Park, S
  • Kittleson, MD
  • Yu, D
  • Choi, J
  • et al.

A 12-year-old spayed female miniature Poodle presented for coughing, respiratory distress, and anorexia. After thoracentesis for pleural effusion, radiography revealed an enlarged cardiac silhouette with a bulge in the area of the body of the right atrium. Echocardiography revealed an anechoic chamber-like cavity lateral to the right atrium that communicated with the right atrium through a 13 mm defect in the right atrial free wall. Contrast echocardiography and color flow Doppler were used to prove that the cavity communicated with the right atrium. The cavity was diagnosed as a giant right atrial diverticulum.

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