Ventricular tachycardia is a type of arrhythmia caused by irregular heart signals. Learn about its causes, symptoms, risks, and treatment options. Ventricular tachycardia is ≥ 3 consecutive ventricular beats at a rate ≥ 120 beats/minute. Symptoms depend on duration and vary from none to palpitations to hemodynamic collapse and death. Diagnosis is by electrocardiography. Treatment of more than brief episodes is with cardioversion or antiarrhythmics, depending on symptoms. If necessary, long-term treatment is with an implantable cardioverter defibrillator. What is ventricular tachycardia? When your heart rate exceeds 120 beats per minute without beginning in the regular electrical pathway, it is said to have ventricular tachycardia. Ventricular tachycardia (VT) is a heart condition that begins in the lower chambers of the heart. It causes the heart to beat very quickly at a rate of over 100 beats per minute. Symptoms of VT ...
