ST段抬高II/III比值及I导联ST段偏移在识别下壁急性心肌梗死罪犯血管中的应用价值
Usefulness of ST elevation II/III ratio and ST deviation in lead I for identifying the culprit artery in inferior wall acute myocardial infarction.
作者信息
Chia B L, Yip J W, Tan H C, Lim Y T
机构信息
Cardiac Department, National University Hospital, Singapore.
出版信息
Am J Cardiol. 2000 Aug 1;86(3):341-3. doi: 10.1016/s0002-9149(00)00929-2.
In a study of 92 patients presenting with inferior wall acute myocardial infarction, the infarct-related artery was the right coronary artery in 72 patients (78%) and the left circumflex artery in 20 (22%). An ST II/III ratio of 1 or an isoelectric ST in lead I are sensitive and specific markers of left circumflex artery occlusion, whereas an ST II/III ratio <1 (ST elevation in lead III >II) or ST depression in lead I are sensitive and specific markers of right coronary artery occlusion.
在一项针对92例下壁急性心肌梗死患者的研究中，72例患者（78%）的梗死相关动脉为右冠状动脉，20例（22%）为左旋支动脉。ST II/III比值为1或I导联ST段等电位线是左旋支动脉闭塞的敏感且特异的标志物，而ST II/III比值<1（III导联ST段抬高大于II导联）或I导联ST段压低是右冠状动脉闭塞的敏感且特异的标志物。
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