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Two tachycardias, one patient and an aberrant coincidence
  1. Sanjeev Kathuria,
  2. Abhimanyu Uppal,
  3. Vimal Mehta
  1. Cardiology, GB Pant Hospital, New Delhi, India
  1. Correspondence to Dr Sanjeev Kathuria, Cardiology, GB Pant Hospital, New Delhi, India; sanjeevkath{at}hotmail.com

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A 65-year-old woman presented to emergency with symptoms of dizziness and palpitations for 1 hour. At presentation, the 12-lead ECG revealed first a left bundle branch block (LBBB) morphology tachycardia followed few minutes later by a right bundle branch block (RBBB) morphology tachycardia (figures 1 and 2). The left ventricle function was normal on 2DECHO.

Figure 1

Twelve lead ECG at the time of presentation shows a narrow complex tachycardia of incomplete LBBB morphology. LBBB, left bundle branch block.

Figure 2

ECG few minutes later shows wide complex tachycardia (140 ms) of RBBB morphology. RBBB, …

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Footnotes

  • Contributors All authors have contributed equally to the preparation of this manuscript.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; internally peer reviewed.

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