Presentation
Presents with inappetance, difficulty walking, and increased respiratory rate.
Patient Data
The cardiac silhouette is enlarged and rounded, with normal pulmonary vasculature. There is mild retraction of the lung lobes with increased pleural opacity. The thorax is hypoinflated on all images with an increased bronchointerstitial pattern. Within the abdomen, there is poor peritoneal detail.
Case Discussion
The rounding of the cardiac silhouette is consistent with pericardial effusion and cardiac tamponade resulting in peritoneal effusion. Generalized cardiomegaly could be considered; however, the left atrium is not specifically enlarged.
Severe pericardial effusion with cardiac tamponade was diagnosed on echocardiography, caused by a right atrial mass suspected to be hemangiosarcoma.
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