Ventricular tachycardia refers to a wide QRS complex heart rhythm — that is ... Below is an ECG strip of a patient with VT. See the PP interval when in sinus rhythm then march out the P waves ...

The three irregularly irregular rhythms are atrial fibrillation ... and ventricular tachycardia. Treat a wide-complex tachycardia like ventricular tachycardia until proven otherwise.