Left ventricular regional contraction abnormalities by echocardiographic speckle tracking in combined right bundle branch with left anterior fascicular block compared to left bundle branch block
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- 作者：Irene P.M. Leeters ; BSca ; ipm.leeters@student.maastrichtuniversity.nl" class="auth_mail" title="E-mail the corresponding author ; Ashlee Davis ; RDCSb ; Robbert Zusterzeel ; MD ; PhDc ; Brett Atwater ; MDb ; Niels Risum ; MD ; PhDd ; Peter Sø ; gaard ; MD ; PhDe ; Igor Klem ; MDb ; Robin Nijveldt ; MD ; PhDf ; Galen S. Wagner ; MDb ; Anton P.M. Gorgels ; MD ; PhDa ; Joseph Kisslo ; MDb
- 关键词：Right bundle branch block ; Left anterior fascicular block ; Speckle tracking echocardiography ; Regional strain ; Strain patterns ; Dyssynchrony
- 刊名：Journal of Electrocardiology
- 出版年：2016
- 出版时间：May-June 2016
- 年：2016
- 卷：49
- 期：3
- 页码：353-361
- 全文大小：729 K
文摘
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Patients with RBBB + LAFB demonstrate echocardiographic wall motion abnormalities between inferior and anterior LV walls, similar to abnormalities found between septal and lateral LV walls in patients with LBBB.
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Fewer patients with RBBB + LAFB showed a classical pattern of opposing wall motion compared to LBBB.
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LV scar and coexisting block of the central fascicle might alter strain patterns.