Eustachian valve

Case contributed by Dr Rengarajan R

Presentation

25 year old female for routine antenatal check up, was suggeted fetal echocardiography

Patient Data

Age: 25
Gender: Female
Modality: Ultrasound

Eustachian valve (arrow)

Case Discussion

The valve of the inferior vena cava (Eustachian valve) lies at the junction of the inferior vena cava and right atrium.

There is a large variability in size, shape, thickness, and texture of the Eustachian valve, and in the extent to which it encroaches on neighbouring structures such as the atrial septum.

Higher insertion of a giant Eustachian valve may mimic the echocardiographic appearance of divided right atrium, suggesting the diagnosis of cor triatriatum dexter.

In adults, it may be confused with right atrial tumors, thrombi, or vegetations.

 

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Case Information

rID: 24307
Case created: 6th Aug 2013
Last edited: 28th Sep 2015
System: Cardiac
Inclusion in quiz mode: Included

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