QT Prolongation: Closing in on the Target of Meaningful Data.

Reports on the new study in the Netherlands which suggests that a group of antipsychotic and gastrointestinal treatments have been linked to increased risk of sudden cardiac death. Identification of Thorazine (chlorpromazine), Haldol (haloperidol), and Orap (pimozide) as well as two gastrointestinal drugs, Propulsid (cisapride) and Motilium (domperidone) in the study; Details of research; Onset of ventricular contraction and the repolarization. INSETS: What We Don't Know Yet;What the Regulators Say.