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Figure 5 Coronary Venous Anatomy and Relation Between Coronary Sinus and Mitral Annulus
With the use of 3D volume rendered reconstructions, the anatomy of the coronary venous system and the relation between the coronary sinus (CS) and the mitral valve annulus can be assessed. In this patient, the CS courses along the posterior wall of the left atrium (LA), rather than along the mitral valve annulus. In patients with a large distance between the CS and the mitral annulus (indicated by the white arrow), a percutaneous mitral annuloplasty may not be feasible. GCV = great cardiac vein; LMV = left marginal vein; PIV = posterior interventricular vein; PVLV = posterior vein of the left ventricle.
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