Cor Triatriatum Sinistrum: Classification and Imaging Modalities

Abstract

Cor Triatriatum Sinister is a rare congenital abnormality, usually diagnosed in childhood; few cases remain asymptomatic and are diagnosed in adulthood. In this review article we focus on classification and etiologies, clinical manifestations, novel diagnostic modalities and treatment of Cor triatriatum Sinister.

Figure 1

Three D TEE clearly showing the membrane with the antero-inferior chamber, the left atrial appendage and the mitral orifice

Figure 2

Color flow, 3 D TEE showing turbulent flow across the orifice

Figure 3

Crescent shape of the membrane view from the pulmonary veins on 3 D TEE.

Figure 4

Two D TTE showing the membrane bisecting the left atria