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The 12-lead ECG and lead II rhythm strip in the Figure were obtained from a 59-year old man several days after coronary bypass. He complained of postitional chest pain. How would you interpret his ECG given this clinical context?

ECG Review: Chest Pain After Bypass

The 12-lead ECG and lead II rhythm strip in the Figure were obtained from a 59-year old man several days after coronary bypass. He complained of postitional chest pain. How would you interpret his ECG given this clinical context?