Refractory Torsades de Pointes Due to Dofetilide Overdose

• Main Authors: James Crosby DO (Author), Huzefa Bhopalwala MD (Author), Amrin Kharawala MD (Author), Nakeya Dewaswala MD (Author), Subramanya Shyam Ganti MD, MBBS (Author), Adnan Bhopalwala MD (Author)
• Formato: Livro
• Publicado em: SAGE Publishing, 2021-12-01T00:00:00Z.
• Assuntos: article
• Acesso em linha: Connect to this object online.

Dofetilide, a class III antiarrhythmic, is widely used in the treatment of cardiac arrhythmias. Antiarrhythmic drugs can have a long duration of action that prolongs the QT interval. This causes bradycardia that predisposes to R-on-T phenomenon subsequently leading to torsades de pointes (TdP). This...