Extent, Location, and Clinical Significance of Non–Infarct-Related Coronary Artery Disease Among Patients With ST-Elevation Myocardial Infarction

Study Questions:

What is the incidence, extent, and location of obstructive non–infarct-related artery (IRA) disease in patients with ST-segment elevation myocardial infarction (STEMI), and how does that impact 30-day mortality?