1. Divided Left Atrium (Cor Triatriatum) in the Setting of Common Atrium
Frank Edwin, MD, Baffoe Gyan, MD, Mark Tettey, MD, Ernest Aniteye, MD 
The Annals of Thoracic Surgery 
Volume 94, Issue 2, Pages e49-e50 (August 2012)
DOI: /j.athoracsur
Copyright © 2012 The Society of Thoracic Surgeons Terms and Conditions

2. Fig 1
Intraoperative view of the common atrium with the left-sided dividing shelf (#) whose lower free edge (solid arrow) overlapped the mitral valve beneath (see Fig 2). The orifice of the right pulmonary veins (*) opens into the morphologically right atrium. (F = feet; H = head; L = left; R = right.)
The Annals of Thoracic Surgery  , e49-e50DOI: ( /j.athoracsur )
Copyright © 2012 The Society of Thoracic Surgeons Terms and Conditions

3. Fig 2
Cross-sectional depiction of intraoperative view showing the dividing shelf (straight arrow), flow from common atrium towards mitral valve (curved arrow). = right pulmonary vein = orifices of left pulmonary veins; CS = coronary sinus; LV = left ventricle; RV = right ventricle.)
The Annals of Thoracic Surgery  , e49-e50DOI: ( /j.athoracsur )
Copyright © 2012 The Society of Thoracic Surgeons Terms and Conditions