Related Experiment Video
Updated: Apr 30, 2026

Echocardiographic Measurement of Right Ventricular Diastolic Parameters in Mouse
Published on: April 27, 2019
Double-chambered left ventricle in a cat.
Paul J Smith1, Marwan N Tarazi2, Siew Yen Ho3
1East Anglia Cardiology Ltd, 5 Hall Lane, Great Hormead, Buntingford, Hertfordshire, UK.
A rare congenital heart defect, double-chambered left ventricle, was identified in an asymptomatic cat. This condition involves the left ventricle being divided by abnormal tissue, likely due to excessive muscle bands.
Area of Science:
- Veterinary Cardiology
- Congenital Heart Disease
- Comparative Pathology
Background:
- Double-chambered left ventricle is a rare congenital cardiac anomaly.
- It is characterized by subdivision of the left ventricular cavity by abnormal septa or muscle bands.
- This condition can lead to significant hemodynamic alterations.
Observation:
- A case of double-chambered left ventricle was diagnosed in a feline patient.
- The affected cat presented with no clinical signs of illness (asymptomatic).
- The cardiac anomaly was attributed to the presence of excessive left ventricular muscle bands.
Findings:
- Histopathological examination revealed anomalous muscular structures within the left ventricle.
- These findings confirmed the diagnosis of double-chambered left ventricle.
- The absence of symptoms suggests potential for compensation or early-stage presentation.
Implications:
- This case highlights the importance of considering congenital heart defects even in asymptomatic animals.
- Understanding the specific etiology, such as excessive muscle bands, aids in diagnosis and prognosis.
- Further research into feline congenital cardiac anomalies can improve diagnostic strategies and patient care.
More Related Videos
07:38Comprehensive Echocardiographic Assessment of Right Ventricle Function in a Rat Model of Pulmonary Arterial Hypertension
Published on: January 20, 2023
08:21Biventricular Assessment of Cardiac Function and Pressure-Volume Loops by Closed-Chest Catheterization in Mice
Published on: June 15, 2020
Related Concept Videos
Chambers of the Heart
Deoxygenated blood from the body is received in the right...
Anatomy of the Heart
Anatomy of the Heart
The heart has three layers: the innermost endocardium, the muscular myocardium, and the outer epicardium, all working together for optimal cardiac function.
Chambers of the Heart
The heart is made up of four...
Cardiac Catheterization III: Left Heart Catheterization