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Double-outlet right atrium in a 9 year-old cat.

Jaylyn Durham¹, Herbert Maisenbacher²

¹Department of Small Animal Clinical Sciences, College of Veterinary Medicine, University of Florida, 2015 SW 16th Avenue, Gainesville, FL 32608, USA.

Journal of Veterinary Cardiology : the Official Journal of the European Society of Veterinary Cardiology

|April 22, 2014

Summary

Double-outlet right atrium (DORA) is a rare congenital heart defect. This case report details its diagnosis in a 9-year-old cat, highlighting echocardiographic findings and clinical implications.

Keywords:

Atrioventricular septal defect Congenital heart defect Echocardiography Endocardial cushion Feline

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Area of Science:

Veterinary Cardiology
Congenital Heart Disease
Echocardiography

Background:

Double-outlet right atrium (DORA) is a rare atrioventricular septal defect.
Characterized by leftward deviation of the interatrial septum, leading to abnormal mitral valve positioning.
Previously documented in humans and recently identified in felines.

Observation:

A 9-year-old cat presented with tachyarrhythmia and cardiomegaly.
Transthoracic echocardiography was utilized for diagnostic evaluation.
The study identified DORA as the underlying cardiac anomaly.

Findings:

Detailed diagnostic findings of DORA in the feline patient.
Echocardiographic evidence confirmed the anatomical abnormalities.
The report correlates findings with clinical presentation.

Implications:

Enhances understanding of DORA in veterinary medicine.
Provides insights into the diagnosis and management of congenital heart defects in cats.
Contributes to the limited literature on feline cardiovascular anomalies.