Now, here is an inferior STEMI with a RBBB on the ECG. Note the reciprocal depression in lead I and aVL. This must not be forgotten. At least a couple times, I recall proper treatment for STEMI ...

Reciprocal ST segment depression in the inferior ... where the elevation 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.