The coronary venogram showed total occlusion of the posterolateral vein due to thrombosis (Figure 1). A new LV lead (Attain unipolar OTW model 4193) was positioned in the middle cardiac vein ...
Some small left inferior veins drained directly into it. The inferior interventricular vein (middle cardiac vein) is connected to the left-sided coronary sinus, next to its orifice. The small cardiac ...