Ostium primum atrial septal defect. Associated with mitral valve prolapse.
D000790:Angiocardiography; D006344:Heart Septal Defects, Atrial / Q000175:diagnosis* / Q000601:surgery; D006350:Heart Valve Prosthesis; D006801:Humans; D008297:Male; D008875:Middle Aged; D008944:Mitral Valve Insufficiency / Q000150:complications* / Q000601:surgery