左束支阻滞(LBBB)合并急性心肌梗死的心电图诊断有一定困难,因为对ST段抬高的掩盖。已有研究显示,左束支阻滞合并急性心肌梗死时最好诊断标准是改良的Sgarbossa标准,可以用于帮助诊断或排除心肌梗死,具有较高的敏感性和特异性。也有作者认为BARCELONA标准对合并左束支阻滞的急性心肌梗死的诊断特异性和敏感性都很高(表1)。一. LBBB患者急性心肌梗死诊断的Sgarbossa标准LBBB患者急性心肌梗死诊断的特异敏感标准已经多年。Sgarbossa等在1996年提出LBBB患者急性心肌梗死诊断的新标准,该标准基于ST段的改变,其敏感性36%,特异性96%,阳性预测值88%。以后,Smith等提出了改良的Sgarbossa标准,其敏感性达到91%,特异性90%。
Beaty Bryan,Park David.Diagnosis of Myocardial Infarction in a Patient with Left Bundle Branch Block and Negative Sgarbossa Criteria.[J].The Journal of the American Osteopathic Association,2020.
Heart Disease Institute Bellvitge University Hospital Barcelona Spain.,Heart Disease Institute Bellvitge University Hospital Barcelona Spain.,Cardiology Department Hospital de la Santa Creu I Sant Pau IIB-Santpau CIBERCV Universitat Autonoma de Barcelona Spain.,Cardiology Department Germans Trias i Pujol University Hospital CIBERCV Badalona Spain.,Cardiology Department Hospital Clinic CIBERCV Barcelona Spain.,Heart Disease Institute Bellvitge University Hospital Barcelona Spain.,Heart Disease Institute Bellvitge University Hospital Barcelona Spain.,Cardiology Department Hospital de la Santa Creu I Sant Pau IIB-Santpau CIBERCV Universitat Autonoma de Barcelona Spain.,Cardiology Department Hospital Clinic CIBERCV Barcelona Spain.,Cardiology Department Germans Trias i Pujol University Hospital CIBERCV Badalona Spain.,Cardiology Department Germans Trias i Pujol University Hospital CIBERCV Badalona Spain.,Cardiology Department Hospital de la Santa Creu I Sant Pau IIB-Santpau CIBERCV Universitat Autonoma de Barcelona Spain.,Cardiology Department Hospital Clinic CIBERCV Barcelona Spain.,Heart Disease Institute Bellvitge University Hospital Barcelona Spain.,Heart Disease Institute Bellvitge University Hospital Barcelona Spain.,Heart Disease Institute Bellvitge University Hospital Barcelona Spain..New Electrocardiographic Algorithm for the Diagnosis of Acute Myocardial Infarction in Patients With Left Bundle Branch Block.[J].Journal of the American Heart Association,2020.
Institute of Health and Wellbeing University of Glasgow Scotland, United Kingdom UK..New ECG Criteria for Acute Myocardial Infarction in Patients With Left Bundle Branch Block.[J].Journal of the American Heart Association,2020.
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