This ECG was obtained from a 35-year-old man who was complaining of crushing substernal chest pain which radiated down his left arm for the last ten minutes. He was diaphoretic, and described his pain as a “10” on the 1-10 scale. He got only modest relief from IV fentanyl.
This ECG was obtained from a patient who suffered an occlusion of the left main coronary artery. ST elevation is seen in Leads V1 through V6, as well as I and aVL. This is an indicator that the circumflex artery is included in this M.I., and the occlusion is above the bifurcation of the LM and the circ. The patient also has a right bundle branch block and a left posterior fascicular block.
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