MI - locations and coronary blood supply
Anterior MI (localized): LAD, diagonal branches
Anterior MI (extensive): LAD, LCx a, anterolateral marginal branch
Septal MI: LAD, septal perforator branches
Lateral MI: LAD, diagonal, LCx a, anterolateral marginal branch
Anteroseptal MI: LAD, septal perforating and diagonal branches
Anterolateral MI: LAD, diagonal, LCx a, anterolateral marginal branch
Inferior MI: RCA or LCx a, post-L ventricular branches
Post MI: Distal LCx a and /or its posterolateral branch
R. ventricular MI: RCA
ECG Leads and Arterial Supply Assoc.
V1-V4:.anterior, LAD
V5-V6: lateral, LCx
aVL, V4-V6: lateral, LCx
II, III, and aVF: RCA, inferior
aVL, V5, and V6: Diagonal branch of LAD, marginal branch of LCx, LCx: anterolateral
V1-V3: LAD, anteroseptal
R/S ratio >1 in V1-V2 and reciprocal T inversion in V1: Distal Cx, PDA, or distal RCA, posterior.