Peaked T-waves, ST segment elevation, and alterations to the terminal portion of the QRS complex are the early changes of acute myocardial infarction secondary to complete occlusion of a coronary arterial vessel.

T波尖峰，ST 段抬高，以及QRS波群终末部分改变，均是继发于冠状动脉血管完全堵塞后的急性心肌梗死的早期改变。