|Ischemic symptoms <12 h||I||A||(17,50,51)|
|Ischemic symptoms <12 h and contraindications to fibrinolytic therapy irrespective of time delay from FMC||I||B||(52,53)|
|Cardiogenic shock or acute severe HF irrespective of time delay from MI onset||I||B||(54–57)|
|Evidence of ongoing ischemia 12 to 24 h after symptom onset||IIa||B||(29,30)|
|PCI of a noninfarct artery at the time of primary PCI in patients without hemodynamic compromise||III: Harm||B||(58–60)|
COR indicates Class of Recommendation; FMC, first medical contact; HF, heart failure; LOE, Level of Evidence; MI, myocardial infarction; PCI, percutaneous coronary intervention; and STEMI, ST-elevation myocardial infarction.