Non-sustained VT lasts for less than 30 seconds and is asymptomatic. Ventricular tachycardia should be described by type (monomorphic or polymorphic), duration (sustained or non-sustained ...

Polymorphic ventricular tachycardia (a.k.a. Torsades de Pointes) is best treated with intravenous magnesium. Patients with a prolonged QT interval have a higher risk of developing polymorphic VT.

Such techniques can be automatically applied using implantable cardioverter defibrillators (ICDs) and offer the potential for painless termination of ventricular tachycardia (VT). Reduction in ...