Signs and Evidence

Making clinical sense of scientific data


Beware of the limitations of this tool

Atrial fibrillation

Calculated pretest probability: 0.91 %
Relevant inclusion criteria: All adults 

Clinical signs

1Irregular pulse - palpated

To further investigations

Sources used:

1.Hobbs FD et al. A randomised controlled trial and cost-effectiveness study of systematic screening (targeted and total population screening) versus routine practice for the detection of atrial fibrillation in people aged 65 and over. The SAFE study Health Technol. Assess., 9 (iii-iv, ix-x) (2005), pp. 1-74
2.J. Mant, D.A. Fitzmaurice, F.D. Hobbs, S. Jowett, E.T. Murray, R. Holder, et al. Accuracy of diagnosing atrial fibrillation on electrocardiogram by primary care practitioners and interpretative diagnostic software: analysis of data from screening for atrial fibrillation in the elderly (SAFE) trial BMJ, 335 (2007), p. 380
3.Go AS et al. Prevalence of diagnosed atrial fibrillation in adults: national implications for rhythm management and stroke prevention: the AnTicoagulation and Risk Factors in Atrial Fibrillation (ATRIA) Study. JAMA. 2001 May 9;285(18):2370-5
4.Murphy NF et al. A national survey of the prevalence, incidence, primary care burden and treatment of atrial fibrillation in Scotland. Heart. 2007 May;93(5):606-12. Epub 2007 Feb 3