Small Animal Radiology and Ultrasound: A Diagnostic Atlas and Text

172 Small Animal Radiolo g y and Ultrasono graphy
Fig. 2-151 A and B, A 4-year-old
male German Shepherd dog with a
2-week history of lethargy and
weight loss. The owners noted
labored respiration and abdominal
distention 24 hours prior to admission.
The cardiac silhouette is
markedly enlarged and rounded. A,
On the lateral radiograph the trachea
is mildly elevated cranial to the tracheal
bifurcation. The main stem
bronchi deflect ventrally beyond the
tracheal bifurcation. The radiographic
findings are indicative of
pericardial fluid. Diagnosis:
Hemopericardium secondary to
right atrial hemangiosarcoma. The
diagnosis was determined by pericardiocentesis
and necropsy examination.
A
B