?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Intra-atrial+Re-entrant+Tachycardia+with+Wenckebach+Periodicity&rft.creator=Sarubbi%2C+Berardo&rft.creator=Vergara%2C+Pasquale&rft.creator=D%E2%80%99Alto%2C+Michele&rft.creator=Sessa%2C+Francesco&rft.creator=Calabr%C3%B2%2C+Raffaele&rft.subject=Indian+Pacing+and+Electrophysiology+Journal&rft.description=A+15-year-old+girl%2C+previously+asymptomatic+for+palpitations%2C+underwent+a+successful+atrial+septal+defect++(ASD)+device+closure.+Twelve+weeks+after+the+procedure%2C+the+patient+was+admitted+complaining+of+dyspnoea+on+effort+and+palpitations.+The+twelve-lead+ECG+showed+a+narrow+QRS+tachycardia+with+slight+heart+rate+irregularity%2C+with+a+mean+HR+of+170bpm.+P+waves+were+not+clearly+identified+with+a+suspicious+of+negative+P-waves+in+II%2C+III+and+aVF+leads.+No+clear+relationship+could+be+observed+between+the+suspected+P+waves+and+QRS+complexes+&rft.publisher=Indian+Pacing+and+Electrophysiology+Group&rft.contributor=Singh%2C+Balbir&rft.contributor=Lokhandwala%2C+Yash&rft.contributor=Francis%2C+Johnson&rft.contributor=Gupta%2C+Anup&rft.date=2003-10&rft.type=Journal+(Paginated)&rft.type=PeerReviewed&rft.format=text%2Fhtml&rft.identifier=http%3A%2F%2Fcogprints.org%2F4254%2F1%2Fsarubbi2.htm&rft.identifier=++Sarubbi%2C+Berardo+and+Vergara%2C+Pasquale+and+D%E2%80%99Alto%2C+Michele+and+Sessa%2C+Francesco+and+Calabr%C3%B2%2C+Raffaele++(2003)+Intra-atrial+Re-entrant+Tachycardia+with+Wenckebach+Periodicity.++%5BJournal+(Paginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F4254%2F