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Veterinary Radiology

Teaching and learning about veterinary diagnostic imaging.

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13 year old DSH cat

April 25, 2019 By Allison Zwingenberger

This week’s case is a 13-year-old male neutered domestic short haired cat with recent anorexia. Grade 3/6 heart murmur detected on cardiac auscultation, with harsh lung sounds and tachypnea.

R LAT Thorax
L LAT Thorax
DV Thorax
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Findings

The cardiac silhouette is moderately enlarged on all projections. There is a diffuse bronchointerstitial pattern, with mild distension of the pulmonary vasculature. The remainder of the thorax appears normal.
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Differential Diagnosis

  • Cardiomegaly likely due to cardiomyopathy
  • Differentials for the pulmonary pattern include mild cardiogenic pulmonary edema and lower airway disease
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Diagnosis

Echocardiography confirmed hypertrophic cardiomyopathy. A diuretic trial was initiated to differentiate dyspnea due to pulmonary edema vs. lower airway disease. The radiograph taken the next day showed resolution of the majority of the pulmonary pattern, confirming pulmonary edema.

Show discussion…

Discussion

Cats with heart failure can present with a variety of pulmonary patterns, including diffuse or patchy interstitial pattern with a bronchial component. This case was a subtle example of pulmonary edema.

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

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