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Walk the Even Hospital Database by book and chapter — the raw source passages that ground Ask, DDx, and the rest.

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contentuptodate· Content· item f26_5_26707

©2013 UpToDate ® Print Email Bidirectional ventricular tachycardia Rhythm strip showing bidirectional ventricular tachycardia which may be a manifestation of digitalis toxicity. This rare, life-threatening tachyarrhythmia is characterized by beat-to-beat changes in the polarity of consecutive premature ventricular complexes. It may also occur in other settings, including catecholaminergic polymorphic ventricular tachycardia. Courtesy of Ary Goldberger, MD.