Cribiform Atrial Septal Defect

Cribiform Atrial Septal Defect •View is of the inflow tract of the left ventricle with the the left atrium above, the LV below and the mitral valve between the two. •Note the defect in the atrial septum in the region of the fossa ovalis well above the ring of the mitral valve. •This is an atrial septal defect of the fossa ovalis or septum secundum type. (Description By:J. Hasson, M.D. ) (Image Contrib. by: UCHC )