Indian Pacing and Electrophysiology Journal (Nov 2015)

Bidirectional ventricular tachycardia of unusual etiology

  • Praloy Chakraborty,
  • Bhavna Kaul,
  • Kausik Mandal,
  • H.S. Isser,
  • Sandeep Bansal,
  • Anandaraja Subramanian

DOI
https://doi.org/10.1016/j.ipej.2016.02.007
Journal volume & issue
Vol. 15, no. 6
pp. 296 – 299

Abstract

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Bidirectional ventricular tachycardia (BDVT) is a rare form of ventricular arrhythmia, characterized by changing QRS axis of 180 degrees. Digitalis toxicity is considered as commonest cause of BDVT; other causes include aconite toxicity, myocarditis, myocardial infarction, metastatic cardiac tumour and cardiac channelopathies. We describe a case of BDVT in a patient with Anderson-Tawil syndrome.