An anterior wall myocardial infarction occurs when anterior myocardial ... must be 2 mm in men or 1.5 mm in women. See the full 12-lead ECG example below and a few more at the bottom.

The ECG findings of a posterior wall myocardial infarction are different than the ... in the septal and anterior precordial leads (V1-V4). This occurs because these ECG leads will see the MI ...