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BET 1: Lenient or strict rate control for atrial fibrillation
  1. Tara Stratton,
  2. Laila Nasser
  1. McMaster University, Ontario, Canada
  1. Correspondence to Dr Tara Stratton; production.emj{at}


A short cut review was carried out to establish whether the degree of rate control influences mortality in patients with atrial fibrillation. 22 papers presented the best evidence to answer the clinical question. The author, date and country of publication, patient group studied, study type, relevant outcomes, results and study weaknesses of these papers are shown in the two tables. It is concluded that there is insufficient evidence to recommend any specific rate control target to decrease mortality in rate-controlled rapid atrial fibrillation.

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  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Patient consent Not required.

  • Provenance and peer review Not commissioned; internally peer reviewed.

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