(FIT)-Module 4 Workshop 6: Electrocardiographic and Electrophysiological Correlations-Poole Case 7 Question

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Question 7, a 69-year-old female with preserved ejection fraction heart failure and persistent atrial fibrillation has failed several antiarrhythmic drugs. Two months ago, she had catheter ablation for AFib with early recurrence. She prefers to try another antiarrhythmic drug prior to repeat ablation. Reneterone is going to be started. Other medications include warfarin and digoxin. Which of the following change should you make? Decrease the warfarin dose by 50%, switch warfarin to dabigatran, decrease digoxin dose by 30 to 50%, or switch warfarin to apixaban.

Keywords

atrial fibrillation

antiarrhythmic drugs

catheter ablation

warfarin

digoxin