Why the study?
Does verapamil reduce heart rate at rest and during mild exercise in digitalized patients with chronic atrial fibrillation?
Population
23 digitalized patients with chronic atrial fibrillation of various causes
Design
Case_series
Authors
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May support adjunctive verapamil for exercise rate control in chronic AF on digoxin; leaves open confirmation in randomized trials.
Does verapamil reduce heart rate at rest and during mild exercise in digitalized patients with chronic atrial fibrillation?
Oral verapamil effectively controls excessive heart rate response to exercise in patients with chronic atrial fibrillation already receiving digitalis.
Herman O. Klein (1979) studied this question.
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