The Electrocardiogram Must Be Closely Monitored During Dosage Titration with Dofetilide

question 2

Multiple Choice

The electrocardiogram must be closely monitored during dosage titration with dofetilide because of its ability to produce which abnormality?

• A) QRS widening
• B) QT prolongation
• C) asystole
• D) PR shortening
• E) afterdepolarizations

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