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Related Experiment Videos

Bidirectional tachycardia: two cases and a review.

Ali Al-Khafaji1, Howard L Corwin, Gur C Adhar

  • 1Section of Critical Care Medicine, Department of Anesthesiology, and Section of Cardiology, Department of Internal Medicine, Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire 03756, USA. Alkhafaji@hotmail.com

Anesthesia and Analgesia
|July 30, 2002
PubMed
Summary

Bidirectional tachycardia is a rare heart rhythm often linked to digitalis toxicity but with other causes too. Treatment focuses on addressing reversible factors and using antiarrhythmic drugs.

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Area of Science:

  • Cardiology
  • Electrophysiology

Background:

  • Bidirectional tachycardia is an uncommon arrhythmia.
  • Its association with digitalis toxicity is well-documented, but other etiologies exist.

Observation:

  • The precise origin and mechanism of bidirectional tachycardia remain subjects of debate.
  • This arrhythmia presents unique electrophysiological characteristics.

Findings:

  • While digitalis toxicity is a common precipitant, non-digitalis causes of bidirectional tachycardia are also recognized.
  • Understanding the underlying mechanisms is crucial for effective management.

Implications:

  • Management involves identifying and correcting precipitating factors, such as digitalis toxicity.

Related Experiment Videos

  • Antiarrhythmic medications play a role in controlling bidirectional tachycardia.
  • Further research may clarify the controversial aspects of its origin and mechanism.