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Figure 1 Radiogram (90° right lateral view) showing the basket catheter at a successful cardiac nerve stimulation site in the RPA. Panel A illustrates the catheter arrangement before the injection of 20 ml of nonionic contrast medium in the right ventricle whereas panel B depicts the same site after injection of contrast medium. The intravascular stimulation site was located in the proximal RPA. In this dog, a basket catheter was also introduced into the CS. Panel C gives a schematic explanation. CS = coronary sinus; Hb = His bundle; LV = left ventricle; PA = pulmonary artery; RPA = right pulmonary artery.
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