Identifying an acute myocardial infarction on the 12-lead ECG is the most important thing you can learn in ECG interpretation. Time is muscle when treating heart attacks. Missing a ST segment ...

If the finding on an ECG is “septal infarct, age undetermined,” it means that the patient possibly had a heart attack at an undetermined time in the past. Septal infarct is a patch of dead ...

The ECG findings of an anterior ST segment elevation myocardial infarction include: ST segment elevation in the anterior leads (V3 and V4) and sometimes in septal and lateral leads, depending on ...