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Veterinary Radiology

Teaching and learning about veterinary diagnostic imaging.

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5 year old Tonkinese cat

April 13, 2017 By Allison Zwingenberger

Today’s case is a 5-year-old female neutered Tonkinese cat. The owners noted an increased respiratory rate and effort and therefore brought the cat to the local emergency service. Furosemide was administered. Post your comments!


Question: Is the cardiac silhouette enlarged?

Yes

Correct
No

The cardiac silhouette is taller than normal and rounded. It also occupies more than 2/3 the width of the thorax on the d/v projection.


Show findings...

Findings

The cardiac silhouette is markedly enlarged and rounded, occupying the entire width of the thorax on the d/v projection. The pulmonary vasculature is normal in size, and there is no evidence of interstitial or alveolar pulmonary pattern. The pleural space and mediastinum are normal.

Show differential diagnosis…

Differential Diagnosis

Cardiomyopathy (hypertrophic, restrictive, dilated, thyrotoxic)
Pericardial effusion
No evidence of pulmonary edema

Show diagnosis…

Diagnosis

Echocardiography revealed dilated cardiomyopathy.
Presumed previous heart failure resolved with diuretics

Filed Under: Case of the Day, Feline, Radiographs, Thorax

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