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Copyright ©The Author(s) 2015.
World J Cardiol. Nov 26, 2015; 7(11): 754-764
Published online Nov 26, 2015. doi: 10.4330/wjc.v7.i11.754
Figure 2
Figure 2 Anatomy of fossa ovalis and Eustachian ridge related to transseptal punctures. A: Inferior vena cava approach to transseptal punctures (green arrows); B: Image of fossa ovalis and Eustachian ridge (ER); C: Image of a patent foramen ovale in the fossa ovalis (two white arrows), with the ER adjacent to the fossa ovalis.