Of the 11 cases of torsades de pointes listed in FDA's report, 6 involved psychiatric patients receiving high dosages of droperidol. Four cases involved droperidol doses of 2.5-25 mg; based on the ...
Purpose: The association of methadone with Q-T interval prolongation and torsades de pointes (TdP) is reviewed, and recommendations for preventing Q-T interval prolongation in methadone users are ...