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Figure 3 (A) Swan-Ganz (SG) catheter is used to direct a guidewire (GW) across the native aortic valve in the antegrade approach. (B) Guidewire loop in the left ventricle is tracked by the percutaneous heart valve from the right femoral vein (antegrade approach). Sones catheter (SC) from the left femoral artery is used to help position the percutaneous heart valve. Native aortic valve calcifications (arrows) in the anteroposterior projection transect the mid-line of the length of the stent valve. (C) Deployment of the percutaneous heart valve using the antegrade approach. (D) Valve deployment via the retrograde method. (E) Supra-aortic angiogram showing no aortic regurgitation and the subcoronary position of the percutaneous heart valve (arrow: filling of the left coronary artery). (F) Cranial view of the percutaneous heart valve showing symmetrical and complete expansion of the stent frame. MS = Mullins sheath; PL = pacing lead.