QUICK MI EKG CHANGES
LARGE ANTERIOR WALL: V1 – V6: ST segment elevation
II, III, aVF: ST segment depression Left main coronary artery
ANTERIOR WALL: V2 – V4: ST segment elevation
II, III, aVF: ST segment depression Left anterior descending (LAD)
ANTERIORSEPTAL: V1 – V4: ST segment elevation
II, III, aVF: ST segment depression LAD and branches supplying blood to the septal wall
ANTEROLATERAL: I, aVL, V3 – V6: ST segment elevation
II, III, aVF: ST segment depression LAD and branches supplying blood to the lateral wall
LATERAL WALL: V5, V6, I, aVL: Pathologic Q wave, ST segment elevation, inverted T wave LCx and/or LAD
INFERIOR WALL: II, III, aVF: Pathologic Q wave, ST segment elevation, inverted T wave RCA and/or LCx
POSTERIOR WALL: V1 – V3: ST segment depression, tall, upright, symmetrical R wave, and tall, symmetrical T wave.