Bidirectional ventricular tachycardia

Bidirectional ventricular tachycardia occurs when the QRS axis alternates with every other beat. This is a pathognomonic rhythm during digoxin toxicity, however is relatively rare. The Brugada criteria for ventricular tachycardia is met with both of the QRS morphologies. See the ventricular tachycardia review below for a 12-lead ECG tracing of bidirectional ventricular tachycardia in a patient with digoxin toxicity.

Related Topics: Ventricular Tachycardia