"4254","Intra-atrial Re-entrant Tachycardia with Wenckebach Periodicity","A 15-year-old girl, previously asymptomatic for palpitations, underwent a successful atrial septal defect  (ASD) device closure. Twelve weeks after the procedure, 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, with a mean HR of 170bpm. P waves were not clearly identified with a suspicious of negative P-waves in II, III and aVF leads. No clear relationship could be observed between the suspected P waves and QRS complexes ","http://cogprints.org/4254/","Sarubbi, Berardo and Vergara, Pasquale and D’Alto, Michele and Sessa, Francesco and Calabrò, Raffaele","Singh, Balbir and Lokhandwala, Yash and Francis, Johnson and Gupta, Anup","       <span class=\"person_name\">Sarubbi, Berardo</span> and <span class=\"person_name\">Vergara, Pasquale</span> and <span class=\"person_name\">D’Alto, Michele</span> and <span class=\"person_name\">Sessa, Francesco</span> and <span class=\"person_name\">Calabrò, Raffaele</span>     (2003)  <a href=\"http://cogprints.org/4254/\"><em>Intra-atrial Re-entrant Tachycardia with Wenckebach Periodicity.</em></a>       [Journal (Paginated)]           ","","2003-10"