[Prevention of thromboembolism in patients with chronic atrial fibrillation in primary health care].

Background And Objective: Our goal was to evaluate the appropriateness of antithrombotic treatment administration in patients with chronic atrial fibrillation (CAF) attended in a health primary center.

Patients And Method: Transverse and descriptive study; 416 patients diagnosed with CAF were included out of a population of 28,447. Age, sex, embolism risk factors, antithrombotic therapy, contraindications to anticoagulation and stratification risk variables were collected.