ACS anatomical correlation

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Coronary Artery Location ECG Leads Complications LAD Anteroseptal V1-V3 Left ventricular dysfunction:

-Decreased CO2

-CHFLBBB, RBBB

Left PFB

Infranodal block (2 ̊or 3 ̊)


LAD Anterior V2-V4 LCA Lateral I, aVL, V4-6 Left ventricular dysfunction:

-Decreased CO2

-CHFInfranodal block (2 ̊or 3 ̊)


RCA Inferior II, III, aVF Hypotension (NTG/morphine)Supranodal 1 ̊ HB

Atrial fibrillation/flutter

PACs

Infranodal block (2 ̊and 3 ̊) Papillary muscle rupture (murmur)


RCA Right ventricular V4R (also II, III, aVF) RCA (90%), LCA (10%) Posterior R waves in V1, V2 (also V7-9)


LCMA Anterolateral avR (STE)