Despite asymmetrical reduction in SW thickness and function, MBF is preserve d and MBF reserve is homogeneously reduced in LBBB patients with left ventricular systolic dysfunction.

• 在左束支传导阻滞并存左室收缩功能障碍的患者中，尽管间隔的厚度和功能不对称的减少，但是心肌血流量仍被保持，心肌血流量的储备均一的减少。