Related Experiment Video
Updated: Jul 10, 2026

Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure
Published on: February 8, 2022
An unusual presentation of a right atrial Chiari network
Abstract:
In 1897, the anatomist Chiari described a structure in the right atrium connected to the Eustachian valve identified as the embryological vestige of the right valve of the sinus venosus. The discovery of a mass in the right atrium obliges the clinician to perform a broad differential diagnosis among a tumour, vegetations on the tricuspid valve, an atrial thrombus and Chiari network. We present a case of Chiari network in a 55-year-old Italian woman.
More Related Videos
Related Concept Videos
Aneurysm II: Clinical Manifestations and Diagnostic Studies
ECG Interpretation of Arrhythmias II: Atrial, Junctional and Ventricular Arrhythmias
Aortic Regurgitation II: Clinical Features and Diagnostic Tests
Cardiac Catheterization II: Right Heart Catheterization
Mitral Stenosis II: Clinical features and Diagnostic Tests
Cardiovascular System Abnormal Findings II: Auscultation
Abnormal Heart Sounds
Gallops:

