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Heart 98:958 doi:10.1136/heartjnl-2012-301800
  • Images in cardiology

Double fire tachycardia

  1. Marc Zimmermann
  1. Electrophysiology Unit, Hôpital de la Tour, Meyrin, Switzerland
  1. Correspondence to Dr Haran Burri, Hôpital de la Tour, Av. J-D, Maillard, 1217 Meyrin, Switzerland; haran.burri{at}hcuge.ch
  1. Contributors HB and MZ conducted the electrophysiological study and wrote the manuscript. JH referred the patient, provided the electrocardiogram and reviewed the manuscript. All authors take full responsibility for the content of the manuscript.

  • Received 13 February 2012
  • Accepted 13 March 2012
  • Published Online First 29 April 2012

A 69-year-old lady without any relevant medical history presented with recurrent palpitations. A 12-lead ECG was recorded and is shown in figure 1. The differential diagnosis of the narrow-complex tachycardia with a P:R ratio of 1:2 was (1) atrial …

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