<prompt> Which congenital hea disease is associated with pre excitation ?Atrial Septal DefectBicuspid Aoic ValveEbsteins AnomalyPatent Ductus Aeriosus  <response>: ebsteins anomaly is a congenital hea condition which is associated with pre excitation Ebstein anomaly is a rare hea defect in which the tricuspid valve -- the valve between the upper right chamber right atrium and the lower right chamber right ventricle of the hea -- doesnt work properly. As a result, blood leaks back through the valve and into the right atrium. Ref Harrison 20th edition pg 1553 