关于胸痛伴左束支传导阻滞 (LBBB) 时发生心肌梗死 (MI) 可能性的判断标准

 

		ST 段抬高 ≥1 mm，与 QRS 轴一致 (5 分)
		在 V1、V2 或 V3 中，ST 段压低 ≥1 mm (3 分)
		ST 段抬高 ≥5 mm，与 QRS 轴不一致 (2 分)

 

标准分数总和:
 

 

MI 标准

 

10 分值:	100% MI
8 分值:	92% MI
7 分值:	93% MI
5 分值:	88% MI
3 分值:	66% MI
2 分值:	50% MI
0 分值:	16% MI

 

 

参考

1. Bates ER. ACP Journal Club. Review: Sgarbossa scores > or = 3 have low sensitivity and high specificity for predicting MI in left bundle branch block. Ann Intern Med. 2009 Feb 17;150(4):JC2-15. PubMed ID: 19238613
2. Sgarbossa EB, Pinski SL, Barbagelata A, et al. Electrocardiographic diagnosis of evolving acute myocardial infarction in the presence of left bundle-branch block. GUSTO-1 (Global Utilization of Streptokinase and Tissue Plasminogen Activator for Occluded Coronary Arteries) Investigators. N Engl J Med. 1996 Feb 22;334(8):481-7. PubMed ID: 8559200
3. Tabas JA, Rodriguez RM, Seligman HK, Goldschlager NF. Electrocardiographic criteria for detecting acute myocardial infarction in patients with left bundle branch block: a meta-analysis. Ann Emerg Med. 2008 Oct;52(4):329-336.e1. doi: 10.1016/j.annemergmed.2007.12.006. Epub 2008 Mar 17. PubMed ID: 18342992