title: The left atrial notch: a sign of persistent left superior vena cava draining to the right atrium.
abstract: A notch in the inferior border of the left atrium has been observed in patients with a persistent left superior vena cava draining via the coronary sinus into the right atrium. It is suggested that the notch is due to the dilated coronary sinus.
mesh_terms: D000790:Angiocardiography; D002648:Child; D003330:Coronary Vessel Anomalies / Q000000981:diagnostic imaging*; D005260:Female; D006325:Heart Atria / Q000002:abnormalities* / Q000000981:diagnostic imaging; D006801:Humans; D007223:Infant; D008297:Male; D014683:Vena Cava, Superior / Q000002:abnormalities* / Q000000981:diagnostic imaging