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Fluoroscopic documentation of the balloon dilatation of valvular stenoses with a 3D-printed heart model. (A) Balloon dilatation of a valvular aortic stenosis. (B) Balloon dilatation of a valvular pulmonary stenosis. AS—aortic stenosis, PS—pulmonary stenosis, LA—left atrium, LV—left ventricle, RA—right atrium, RV—right ventricle. Reprinted with permission under the open access from Brunner et al. [116].
