thromboembolism
OBJECTIVE: Appropriate use of drugs to prevent thromboembolism in patients with       atrial fibrillation (AF) involves comparing the patient's risk of stroke and risk       of hemorrhage.
OBJECTIVE: Appropriate use of drugs to prevent  @SUBJECT$   @PREDICAT$   @OBJECT$  with       atrial fibrillation (AF) involves comparing the patient's risk of stroke and risk       of hemorrhage.