Why the study?
Does verapamil improve ventricular regularity in patients with chronic atrial fibrillation?
Does verapamil improve ventricular regularity in patients with chronic atrial fibrillation?
High-dose oral verapamil can regularize ventricular rhythm in chronic atrial fibrillation, but its clinical utility is severely limited by intolerable side effects during long-term therapy.
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Verapamil may regularize ventricular response in chronic AF; leaves open long-term utility due to side effects in this case series.
Khalsa et al. (1979) studied this question.
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