Guidelines on anticoagulant treatment in atrial fibrillation in Great Britain: variation in content and implications for treatment.

OBJECTIVE To describe the content of guidelines on the use of anticoagulant treatment in patients with atrial fibrillation and the impact of variations in guidelines on treatment. DESIGN Postal survey of guidelines, semistructured interview with lead developers of guidelines, and application of guidelines to patient sample. SUBJECTS 15 lead developers… (More)