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https://read.qxmd.com/read/1735152/electrogram-criteria-for-identification-of-appropriate-target-sites-for-radiofrequency-catheter-ablation-of-accessory-atrioventricular-connections
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COMPARATIVE STUDY
H Calkins, Y N Kim, S Schmaltz, J Sousa, R el-Atassi, A Leon, A Kadish, J J Langberg, F Morady
BACKGROUND: Catheter ablation of accessory atrioventricular (AV) connections using radiofrequency current has been demonstrated to be effective in the majority of patients with the Wolff-Parkinson-White syndrome or paroxysmal supraventricular tachycardia involving a concealed accessory AV connection. However, electrogram criteria have not been established to guide attempts at radiofrequency catheter ablation. METHODS AND RESULTS: The characteristics of local electrograms recorded at successful and unsuccessful sites of radiofrequency catheter ablation were determined in 132 patients...
February 1992: Circulation
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