Small Animal Radiology and Ultrasound: A Diagnostic Atlas and Text

Chapter Two The Thorax 171
Fig. 2-150 A and B, A 6-year-old
male Terrier with an acute onset of
mild respiratory distress and depression.
The cardiac silhouette is
enlarged and rounded. The pulmonary
vessels appear small. A, On
the lateral radiograph the trachea is
elevated cranial to the bifurcation;
however, the main stem bronchi have
the normal ventral deviation. The
radiographic findings are indicative
of pericardial fluid. Diagnosis:
Idiopathic pericardial effusion.
A
B