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Atrial fibrillation

Prevalence
Causes
Clinical features
Investigations
Therapy
Prevention
Prognosis
Therapy

Control the ventricular rate using a digoxin a  , preferably in combination with a beta-blocker or calcium-channel blocker. a  

Why?

  • It slows the ventricular rate a   (on average by 25 bpm) a , but has no clear effect on the rate of cardioversion a
  • It is not clearly effective at control heart rate during exercise. a
  • Bolus doses are not clearly more effective than intravenous infusions d
  • Adding a calcium-channel blocker or a beta-blocker to digoxin is more effective than using digoxin alone. a  

Expiry date: February 2003
Levels of Evidence used in grading these guides

Authors   CM   Ball , N   Shenker
Reviewer   R G   Hart
CAT Writers   CM   Ball , N   Shenker , CJ   Wotton