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Atrial fibrillation

Prevalence
Causes
Clinical features
Investigations
Therapy
Prevention
Prognosis
Therapy
  • flecainide a  iv or oral  a

Why?

  • Flecainide is more effective at cardioversion than procainamide a , propafenone a , amiodarone a , digoxin a or verapamil. a
  • Watch for severe hypotension. a
  • Flecainide given iv leads to faster (by roughly an hour)  but not more successful cardioversion than oral. a

Flecainide is more effective at cardioversion than procainamide, propafenone, amiodarone, digoxin, or verapamil

Patient Treatment Comparison Outcome CER RRR
(95% CI)
NNT
(95% CI)
acute AF a flecainide procainamide sinus rhythm
at 60 minutes
62% 32%
(13% to 48%)
3
(2 to 8)
recent onset AF a flecainide propafenone sinus rhythm
at 12 hours
72% 25%
(3% to 53%)
6
(3 to 33)
recent onset AF a flecainide amiodarone sinus rhythm
at 12 hours
54% 41%
(12% to 77%)
4
(2 to 10)
recent onset AF a flecainide digoxin sinus rhythm
at 6 hours
35% 32%
(13% to 50%)
3
(2 to 8)
recent onset AF a flecainide digoxin severe hypotension
at 6 hours
5.9% -270%
(-1100% to -9%)
-6
(-37 to -3)
paroxysmal AF a flecainide verapamil sinus rhythm
at 60 minutes
5.0% 1300%
(100% to 9600%)
2
(1 to 2)

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