Ventricular bigeminy occurs when every other beat is a PVC. No treatment is necessary for PVCs. If symptomatic, beta-blockers or antiarrhythmic drugs can be effective. Rarely, ablation of PVCs is ...
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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