I and II pointing away
Left axis deviation
I and II pointing towards
Right axis deviation
Pathological Q waves normal in
I, aVL and V6
RBBB
M in V1 and W in V6
LBBB
W in V1 and M in V6
T wave inversion normal in
III, AvR and V1
Inferior MI
II, III aVF - right coronary
Anteroseptal MI
V1-V4 - left anterior descending
Lateral MI
I, aVL +/- V5-6, left circumflex
Posterior MI
Dominant R in V1-2, horizontal ST depression V1-3, left circumflex or right coronary