{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,30]],"date-time":"2026-04-30T06:05:33Z","timestamp":1777529133837,"version":"3.51.4"},"reference-count":22,"publisher":"SAGE Publications","issue":"3","license":[{"start":{"date-parts":[[2007,9,1]],"date-time":"2007-09-01T00:00:00Z","timestamp":1188604800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Cardiovasc Pharmacol Ther"],"published-print":{"date-parts":[[2007,9]]},"abstract":"<jats:p>The anterograde refractory period (RP) of the accessory pathway (AP) is the main determinant factor of ventricular rate during atrial fibrillation in the Wolff-Parkinson-White (WPW) syndrome. We describe 3 examples of anterograde supernormal conduction (SNC) and 1 of retrograde SNC in APs. The paradoxical early recovery of propagation due to SNC, well inside a prolonged anterograde RP in the AP, may play a relevant role to determine the rate of ventricular response during atrial fibrillation, eventually leading to extremely fast ventricular rates, syncope, and even ventricular fibrillation in patients with WPW syndrome supposed a priori to be exposed to a low risk of sudden cardiac death. This may require very precise conditions, including an enhanced adrenergic influence on the heart. Retrograde SNC in APs may also participate in the mechanism of paroxysmal supraventricular tachycardias that are not easily induced by programmed cardiac stimulation.<\/jats:p>","DOI":"10.1177\/1074248407304183","type":"journal-article","created":{"date-parts":[[2007,9,17]],"date-time":"2007-09-17T16:28:36Z","timestamp":1190046516000},"page":"181-191","source":"Crossref","is-referenced-by-count":4,"title":["Supernormal Conduction in the Anomalous Bundles of the Wolff-Parkinson-White Syndrome: An Overlooked Electrophysiologic Property With Potential Clinical Implications"],"prefix":"10.1177","volume":"12","author":[{"given":"Pablo A.","family":"Chiale","sequence":"first","affiliation":[{"name":"C\u00e1tedra de Cardiolog\u00eda, Facultad de Medicina, Pontificia Universidad Cat\u00f3lica Argentina, , Centro de Arritmias Card\u00edacas de la Ciudad Aut\u00f3noma de Buenos Aires, Divisi\u00f3n Cardiolog\u00eda, Hospital J. M. Ramos Mej\u00eda, and Instituto Sacre Coeur Buenos Aires, Argentina"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ernesto","family":"Albino","sequence":"additional","affiliation":[{"name":"Centro de Arritmias Card\u00edacas de la Ciudad Aut\u00f3noma de Buenos Aires, Divisi\u00f3n Cardiolog\u00eda, Hospital J. M. Ramos Mej\u00eda"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hugo A.","family":"Garro","sequence":"additional","affiliation":[{"name":"Centro de Arritmias Card\u00edacas de la Ciudad Aut\u00f3noma de Buenos Aires, Divisi\u00f3n Cardiolog\u00eda, Hospital J. M. Ramos Mej\u00eda, and Instituto Sacre Coeur Buenos Aires, Argentina"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Horacio","family":"Selva","sequence":"additional","affiliation":[{"name":"Centro de Arritmias Card\u00edacas de la Ciudad Aut\u00f3noma de Buenos Aires, Divisi\u00f3n Cardiolog\u00eda, Hospital J. M. Ramos Mej\u00eda"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ra\u00fal J.","family":"Levi","sequence":"additional","affiliation":[{"name":"Centro de Arritmias Card\u00edacas de la Ciudad Aut\u00f3noma de Buenos Aires, Divisi\u00f3n Cardiolog\u00eda, Hospital J. M. Ramos Mej\u00eda"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rub\u00e9n A.","family":"S\u00e1nchez","sequence":"additional","affiliation":[{"name":"Centro de Arritmias Card\u00edacas de la Ciudad Aut\u00f3noma de Buenos Aires, Divisi\u00f3n Cardiolog\u00eda, Hospital J. M. Ramos Mej\u00eda, and Instituto Sacre Coeur Buenos Aires, Argentina"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marcelo V.","family":"Elizari","sequence":"additional","affiliation":[{"name":"Centro de Arritmias Card\u00edacas de la Ciudad Aut\u00f3noma de Buenos Aires, Divisi\u00f3n Cardiolog\u00eda, Hospital J. M. 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