Left atrial diverticulum

Case contributed by Heather Pascoe
Diagnosis almost certain


Persistent atrial fibrillation

Patient Data

Age: 40 years

Small left atrial diverticulum extending from superior wall.

CT coronary angiography is normal with no evidence of coronary atherosclerosis. Normal coronary arteries.

Case Discussion

A left atrial diverticulum is a normal variant. It is important to be aware of to avoid interpreting it as pathology.

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