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Figure 1 ECG of a patient with an anterior AMI as a consequence of LAD occlusion proximal to both the first septal perforator and the first diagonal branch, showing characteristic ST{uparrow} in aVR, ST{uparrow} >0.25 mV in V1, ST{downarrow} in V5, inferior ST{downarrow} >0.1 mV and an abnormal Q-wave in aVL.