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 ...

Fogoros, MDVentricular tachycardia (V-tach or VT) is when the lower chamber of the heart beats too fast to pump efficiently.

The following is a summary of “Predicting factors for unresolved premature ventricular complexes in healthy children,” ...