leads showing the site of the infarct
Last reviewed 01/2018
- inferior infarct: this shows changes in the inferior leads (II,III,aVF)
- anterior (small): leads V3,4
- anterior (extensive): leads V2-5
- anteroseptal infarct: leads V1-4
- anterolateral infarct: (V4-6,I,aVL)
- posterior infarct: mirror image changes in V1-2, tall and ST depression
- lateral infarct: leads I,II,AVL
- subendocardial: any lead, T wave inversion may be the only sign
ECG changes (relating coronary artery involved, site of infarction and lead showing changes)