Fig. 3From: Permanent left bundle branch area pacing utilizing intracardiac echocardiogramFluoroscopic image of the LBBAP area in the RAO 30° projection. Two parallel lines along the long axis plane (green lines) and the short axis plane (red lines) divided every plane into three parts. The RV in this plane was divided into nine parts. The arrow indicates the mid-basal region. LBBAP, left bundle branch area pacing; RV, right ventricleBack to article page