Presentation
Presented with increased respiratory rate and effort. Furosemide was administered at the emergency veterinary practice.
Patient Data
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. There is a mild interstitial pattern cranioventrally. The pleural space and mediastinum are normal.
Case Discussion
Cardiomyopathy with resolving pulmonary edema. Differential diagnoses could include dilated cardiomyopathy (most likely given the size), hypertrophic, or restrictive.
Echocardiography revealed dilated cardiomyopathy. The history of respiratory distress indicates there was an episode of pulmonary edema due to heart failure. As is common in a referral practice, the cat had already recieved some treatment. The diuretics have reduced the volume of fluid in the circulation, normalizing the vessels if they were enlarged, and some residual pulmonary pattern has not yet resolved.
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