The animal models of acute myocardial is chemia were prepared.The electrocardiograms displayed ischemic changes,such as increased T wave,biphasic T wave,inversed T wave and elevated S-T Segment.

• 人工制成急性心肌缺血性动物模型，其心电图显示T波高耸、双向和倒置、S-T段抬高等缺血样改变。