Atrial Fibrillation
A 30-year-old man with atrial fibrillation presents with the echocardiogram in Video 8-1.
QUESTION 1. What is his underlying congenital abnormality?
A. Ebstein’s anomaly
B. Tetralogy of Fallot
C. Atrial septal defect (ASD)
D. Anomalous pulmonary venous return
View Answer
ANSWER 1: A. The RA is enlarged, and the tricuspid annulus is apically displaced into the right ventricle in Ebstein’s anomaly.
QUESTION 2. The right atrial mass (Video 8-1) most likely represents: