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Figure 4 :Resection of the parietal extension of the infundibular septum, using a trans tricuspid approach. A Hegar dilator has been passed from the PA into the RV to demonstrate the outlet

Figure 4 :Resection of the parietal extension of the infundibular septum, using a trans tricuspid approach. A Hegar dilator has been passed from the PA into the RV to demonstrate the outlet