This ECG was taken from a 60 year old man who was complaining of severe substernal chest pain, radiating to his left arm and a non-productive cough. There was some initial discussion among the EMS crew about the possibility of the ECG showing a "benign early repolarization" pattern because of the concave upward ("smiling") ST segments.
Hyperacute T waves
This series shows the evolution of ECG changes in anterior wall M.I. secondary to occlusion of the proximal left anterior descending artery. The patient is an 88-year-old woman with chest pain. She was designated a "cardiac alert" from the field by paramedics. Her proximal LAD was opened and stented in the cath lab. We do not have follow-up information on her.
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