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An RAO view is shown of the catheters for this electrophysiological study. There are quadripolar catheters present in the right atrium and ventricle. The His octapolar catheter and CS duodecapolar catheters are present in standard positions. A PentaRay mapping catheter present within a steerable sheath in the high right atrium. Patient’s subcutaneous ICD lead is also visualized.
