ECG 87 A 50-year-old man complains of pain in the front of his chest, which is predictably induced by walking uphill, especially in cold weather. The pain is sometimes caused by excitement. He has never had any pain without some precipitating cause. The upper ECG shows a recording made at rest, and the lower record comes from his exercise test, after 5 min of the Bruce protocol. What do the ECGs show?
ECG 87