Intra-atrial re-entrant tachycardia with Wenckebach periodicity
Sarubbi, Berardo; Vergara, Pasquale; D’Alto, Michele; Sessa, Francesco and Calabrò, Raffaele (2003) Intra-atrial re-entrant tachycardia with Wenckebach periodicity. Indian Pacing and Electrophysiology Journal, 3 (4). pp. 270-272. ISSN 0972-6292
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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 (Figure 1).
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