Table 1: Suitability of Atrial Fibrillation for Screening According to World Health Organization Criteria.

Criteria	Suitability
Important health problem with an accepted treatment	+
Facilities for diagnosis and treatment	+
Latent and symptomatic stage	+
Natural history is understood	±
Agreed policy on whom to treat	+
Cost of finding the condition is economically balanced with overall health benefits of treatment	±
Case-finding is a continuous process	+
Screening test is suitable and acceptable to the population	+

+ = suitable; ± = uncertain.