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  • Title: [Successful high-frequency current ablation of three accessory conduction pathways in a single session].
    Author: Chiladakis I, Hebe J, Weiss C, Schlüter M, Kuck KH.
    Journal: Z Kardiol; 1992 Nov; 81(11):577-83. PubMed ID: 1471394.
    Abstract:
    A case is presented of a 25-year-old symptomatic male with Wolff-Parkinson-White syndrome and three overt accessory atrioventricular connections which were all diagnosed and ablated during the same session. A discordant preexcitation pattern between delta wave and QRS axis was found on the surface electrocardiogram, indicating the presence of two or more accessory pathways. During atrial pacing the appearance of a changing QRS morphology and alternating delta wave suggested the presence of an additional left-sided pathway. After ablation of a right anteroseptal pathway, a second pathway was found located in the left lateral position and was successfully ablated. The final pathway became evident only after the ablation of the first two and was found to be located in a right midseptal position. This pathway was also ablated during this session. There were no complications and the patient remained asymptomatic during an 11-month follow-up.
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