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Figure 2: Virtual cardiac dissection in a patient with an atrial septal defect within the oval fossa, as seen in right anterior oblique projection, demonstrates the relationship of the defect with the rims of the fossa, providing important information for prospective interventional closure. The details of triangle of Koch and tendon of Todaro are also well demonstrated (dotted red lines). CS: Coronary sinus, ICV: Inferior caval vein, SCV: Superior caval vein

Figure 2: Virtual cardiac dissection in a patient with an atrial septal defect within the oval fossa, as seen in right anterior oblique projection, demonstrates the relationship of the defect with the rims of the fossa, providing important information for prospective interventional closure. The details of triangle of Koch and tendon of Todaro are also well demonstrated (dotted red lines). CS: Coronary sinus, ICV: Inferior caval vein, SCV: Superior caval vein