aVR导联S T段抬高预测非S T段抬高型急性心肌梗死的临床价值

目的：探讨aVR导联ST段抬高对非ST段抬高型急性心肌梗死的预测价值。方法选取27例心电图改变为ST段压低≥0．1 mV伴aVR导联ST段抬高者作为观察组，另选50例ST段压低≥0．1 mV但不伴aVR导联ST段抬高者作为对照组，追踪观察2组非ST段抬高型急性心肌梗死的发生率。结果临床确诊为非 ST 段抬高型心肌梗死者观察组为7例（25．9％），对照组为1例（2％）；2组比较差异有统计学意义（P＜0．05）。结论 aVR导联ST段抬高对非ST段抬高型急性心肌梗死具有一定的预测价值，临床应给予重视。

Clinical value of ST-segment elevation in aVR lead for predicting non-ST-segment elevation acute myocardial infarction

Objective ToevaluatethepredictivevalueofST-segmentelevationinaVRleadfor non-ST-segmentelevationacutemyocardialinfarction.Methods Twenty-sevenpatientswithECG changes of ST-segment depression≥0.1 mV complicating ST-segment elevation in aVR lead were re-garded as observation group while another 50 cases with ECG changes of ST-segment depression≥0.1 mV but without ST-segment elevation in aVR lead complicated were taken as control group.The incidence rates of non-ST-segment elevation acute myocardial infarction were followed up.Results Inobservationgroup,therewere7cases（25.9%）diagnosedwithnon-ST-segmentelevationmyo-cardial infarction while there was one（2%）in the control group.The difference of its incidence rate wasstatisticallysignificant（P〈0.05）betweenthetwogroups.Conclusion TheST-segmenteleva-tion in aVR lead proves to be clinically valuable in predicting non-ST-segment elevation acute myo-cardial infarction and thus it deserves to be paid more attention to.