This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Which congenital heart disease is associated with pre excitation ? 
Select and explain. 
A. Atrial Septal Defect, B. Bicuspid Aortic Valve, C. Ebstein's Anomaly, D. Patent Ductus Arteriosus
C: Ebstein's Anomaly
Answer: C: Ebstein's Anomaly 
Explanation: None