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.

is characteristic of polymorphic (meaning many shapes) ventricular tachycardia. This is also known as Torsades de Pointes which translates in French to "twisting of the spikes." A different ...

VT was polymorphic and accompanied by VF Idiopathic VF arising from the RVOT Episodes of VF triggered by PVCs arising from the RVOT NA b a On electrocardiography, unless otherwise specified.