@misc{cogprints4254,
          volume = {3},
          number = {4},
           month = {October},
          author = {Berardo Sarubbi and Pasquale Vergara and Michele D?Alto and Francesco Sessa and Raffaele Calabr{\`o}},
          editor = {Balbir Singh and Yash Lokhandwala and Johnson Francis and Anup Gupta},
           title = {Intra-atrial Re-entrant Tachycardia with Wenckebach Periodicity},
       publisher = {Indian Pacing and Electrophysiology Group},
            year = {2003},
         journal = {Indian Pacing and Electrophysiology Journal},
           pages = {270--272},
        keywords = {Intra-atrial Re-entrant Tachycardia; Wenckebach Periodicity
},
             url = {http://cogprints.org/4254/},
        abstract = {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 }
}

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