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What is Which of the following ECG findings is associated with acute myocardial infraction and explain in detail?
Ref Harrison 19 th ed pg 1594 ST-segment depression occurs in 20 to 25% of patients; it may be transient in patients without biomarker evidence of myocardial necrosis, but may be persistent for several days in NSTEMI. T-wave changes are common but are less specific signs of ischemia, unless they are new and deep T-wave inversions (>=0.3 mV).