- QT prolongation and torsades de pointes among methadone users: reports to the FDA spontaneous reporting systemEllen C Pearson
University of Arizona Health Sciences Center, Tucson, AZ 85724, USA
Pharmacoepidemiol Drug Saf 14:747-53. 2005..Recent case series have associated the synthetic opioid, methadone, with QT prolongation and torsades de pointes (TdP) ventricular arrhythmia...
- Bazett and Fridericia QT correction formulas interfere with measurement of drug-induced changes in QT intervalJulia H Indik
Sarver Heart Center, University of Arizona College of Medicine, Tucson, 85724 5037, USA
Heart Rhythm 3:1003-7. 2006..Numerous other formulas have been devised to make this correction, including the Fridericia, Hodges, and Framingham formulas...