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Figure 7 Right (30°) and left (45°) anterior oblique (RAO and LAO, respectively) radiographic views of the ablation catheter (ABL) within the pulmonary artery. Pulmonary arteriogram reveals that the catheter is positioned at the posteroseptal portion of right ventricular outflow tract, which is above the pulmonary valve. Successful radiofrequency application was performed at this site. His = catheter at the region of the His bundle.
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