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.
The QT interval is the time from the beginning of the QRS complex (ventricular depolarization) to the end of the T wave (ventricular repolarization). The normal QT interval is controversial and ...
Cardiff, UK - British researchers have identified how a mutation in a cardiac receptor leads to abnormal calcium release, causing the condition catecholaminergic polymorphic ventricular tachycardia ...
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