Cardiogenic shock (CS) is a life-threatening syndrome characterized by inadequate cardiac output, hypoperfusion and progressive organ dysfunction, with persistently high mortality despite advances in revascularization and critical care. In selected cases, mechanical circulatory support (MCS), including veno-arterial extracorporeal membrane oxygenation (VA-ECMO), is required. However, retrograde aortic flow during VA-ECMO…