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The innovative design of the PARAHISIAN catheter, combines an octapolar configuration with eight specially spaced electrodes, which permits the use of only one catheter for simultaneous Parahisian pacing and recording of His bundle electrograms. The "two catheters in one" design enables insertion and placement through a single venipuncture. The disadvantages of using two catheters with the inherent problems of dislodgement, artifact and time-consuming repositioning are minimized. The electrodes can be positioned along the His and right bundle branch when a differential diagnosis includes VT an
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