Polymorphic Ventricular Tachycardia: Terminology, Mechanism, Diagnosis, and Emergency Therapy

Sami Viskin, Ehud Chorin, Dana Viskin, Aviram Hochstadt, Arie Lorin Schwartz, Raphael Rosso

Research output: Contribution to journalArticlepeer-review

Abstract

Polymorphic ventricular tachyarrhythmias are highly lethal arrhythmias. Several types of polymorphic ventricular tachycardia have similar electrocardiographic characteristics but have different modes of therapy. In fact, medications considered the treatment of choice for one form of polymorphic ventricular tachycardia, are contraindicated for the other. Yet confusion about terminology, and thus diagnosis and therapy, continues. We present an in-depth review of the different forms of polymorphic ventricular tachycardia and propose a practical step-by-step approach for distinguishing these malignant arrhythmias.

Original languageEnglish
Pages (from-to)823-839
Number of pages17
JournalCirculation
Volume144
Issue number10
DOIs
StatePublished - 7 Sep 2021

Keywords

  • Brugada syndrome
  • quinidine
  • tachycardia, ventricular
  • torsade de pointes
  • ventricular fibrillation

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