[Cor triatriatum with mitral incompetence--contribution to diagnosis and therapy].

Authors presented difficulties in diagnosis of the cor triatriatum with the mitral incompetence in 34 years old female patient. Diagnosis was based on two-dimensional and doppler echocardiographic examinations and then angiocardiographically proved. Therapy consisted in resection of the fibromuscular intraatrial septum and implantation of the St. Jude mitral prosthetic valve.