Revascularization Strategy of Multivessel Disease for Patients with Acute Myocardial Infarction Complicated by Cardiogenic Shock Undergoing Veno-arterial Extracorporeal Membrane Oxygenator

Inclusion Criteria: * Subject must be at least 19 years of age * Patients presented with AMI (ST-segment elevation MI \[STEMI\] or non-ST-segment elevation MI \[NSTEMI\]) complicated by CS (SCAI Shock classification C, D or E) who requiring VA-ECMO. * Target lesions amenable for planned primary PCI by operators' decision * Patients with multi-vessel disease Exclusion Criteria: * Other causes of shock (hypovolemia, sepsis, obstructive shock). * Shock due to mechanical complication to MI (rupture of papillary muscle, the ventricular septum, or free wall). * Unwitnessed out of hospital cardiac arrest with persistent Glasgow coma scale \<8 after the return of spontaneous circulation. * Patients with single-vessel disease (Patients with single-vessel disease will be enrolled in the RESCUE-SHOCK registry) * Onset of shock \>24 hours. * Known heparin intolerance. * Other severe concomitant disease with limited life expectancy \< 6 months * Pregnancy or breast feeding * Do not resuscitate wish