In patients with cardiogenic shock following acute myocardial infarction (MI), should revascularization be initially confined to the culprit lesion alone, or should concurrent, non-culprit lesions also be addressed? This randomized trial evaluated different percutaneous coronary intervention (PCI) strategies in patients with acute MI complicated by cardiogenic shock. A total of 706 patients were randomly assigned to undergo either immediate PCI with complete revascularization or a more selective strategy of PCI involving the culprit lesion alone. The study found that complete revascularization did not improve survival or reduce the incidence of death or severe complications when compared to selective PCI. However, the complete revascularization strategy did result in better outcomes in terms of left ventricular function and fewer repeat revascularization procedures. These results challenged the prevailing belief that complete revascularization is always superior in this population and suggested that a more selective PCI approach may be just as effective in improving survival in the short term.