Acute Inferior MI
An acute Inferior MI features signs of coronary occlusion (hyperacute T waves, ST elevation, Q formation) in the inferior leads (II, IIII, aVF) along with reciprocal changes in aVL +/- lead I. There may also be right ventricular infarction or posterior infarction. The culprit can be any of the three main coronary arteries, but is usually a dominant RCA occlusion. Less often it is a dominant left circumflex, or occasionally it is a wraparound LAD (anterior and inferior infarction).