Torsade de pointes in an older patient with Takotsubo cardiomyopathy caused by licorice‐induced pseudoaldosteronism: A case report

Abstract

Abstract Takotsubo cardiomyopathy (TCM) causes QT interval prolongation, potentially leading to a fatal arrhythmia. We report the first case of TCM associated with licorice‐induced pseudoaldosteronism causing fatal arrhythmia in an older patient on polypharmacy including yokukansan (TJ‐54) and galantamine. Polypharmacy should be resolved to prevent unexpected adverse events in older patients.

Keywords

• glycyrrhiza
• kampo drugs
• licorice
• polypharmacy
• pseudoaldosteronism
• Takotsubo cardiomyopathy