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Figure 3: The dissection of the heart seen to the left hand was made by removing the ventricular septum interposed between the ventricular outflow tracts. It reveals how a sleeve of free-standing infundibular musculature lifts the leaflets of the pulmonary valve away from the base of the left ventricle. The computed tomogram, shown to the right hand, and performed to exclude a coronary arterial malformation, replicates the anatomic dissection

Figure 3: The dissection of the heart seen to the left hand was made by removing the ventricular septum interposed between the ventricular outflow tracts. It reveals how a sleeve of free-standing infundibular musculature lifts the leaflets of the pulmonary valve away from the base of the left ventricle. The computed tomogram, shown to the right hand, and performed to exclude a coronary arterial malformation, replicates the anatomic dissection