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Symptom onset
within 12–24 h
Primary PCI
(2a)
YES
Symptom onset
≥12 h
PCI
(2a)
YES
PCI
(3: No Benefit)
Totally occluded infarct
artery >24 h
and no symptoms or
severe ischemia
YES
Ongoing ischemia,
heart failure,
or electrical
instability
Colors correspond to Class of Recommendations and Level of Evidence tables on
pages 48–49.
