Torsades de pointes and nifedipine.
D000368:Aged; D001145:Arrhythmias, Cardiac / Q000139:chemically induced*; D005260:Female; D006352:Heart Ventricles; D006801:Humans; D009543:Nifedipine / Q000009:adverse effects*; D011725:Pyridines / Q000009:adverse effects*
D011725:Pyridines; D009543:Nifedipine