Coronary sinus enlargement

What it means

Abnormal increase in size of the coronary sinus.

The coronary sinus is rarely seen on echocardiography in healthy persons. The differential diagnosis of dilated coronary sinus includes right ventricular dysfunction, right atrial hypertension, and anomalous venous drainage into the coronary sinus.

Rare diseases that can present with this1

The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions. A sign on this page is a conversation to have with a clinician, not a conclusion.

Part of the broader category

Also called: Coronary sinus dilatation · Enlarged coronary sinus