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 ...

Thompson is removing a healthy vein from Raymond's leg so it will be ready for Raymond's quadruple bypass operation. In order to get blood to the heart muscle of a by-pass patient more efficiently ...