ECG Pattern Associated with Left Anterior Descending Coronary Artery Occlusion

A 36-year-old man presented to the emergency department with substernal chest tightness of 6 hours' duration. The chest tightness was initially intermittent but became persistent 1 hour before presentation. He was a current smoker with a smoking history of 10 pack-years. An electrocardiogram (ECG;…

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