Ventricular tachycardia can occur with many variations of the QRS morphology, depending on where the arrhythmia originates, which sometimes makes diagnosis on ECG challenging. Below are two ...
Bidirectional ventricular tachycardia is quite rare, but pathognomonic for digoxin toxicity. This ECG has two distinct QRS morphologies alternating every other beat. The QRS complex duration is ...
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