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What is Dofetilide and Cardiac Action Potential about?
A 45-year-old man with recurrent palpitations and a history of paroxysmal atrial fibrillation is treated with dofetilide to maintain normal sinus rhythm. Dofetilide primarily affects phase 3 of the cardiac action potential by blocking potassium channels, leading to prolonged repolarization and action potential duration. This is important for managing patients with atrial fibrillation.
- Author
- zj0774242806
- Language
- EN