Prevalence
Causes
Clinical
features
Investigations
Therapy
Prevention
Prognosis
|  |  | | Therapy |
Chronic atrial fibrillation
Why?
-
Flecainide is more effective at cardioversion than procainamide
a
,
propafenone a
, digoxin
a
or verapamil
a
, though not clearly better than amiodarone. d
-
Watch for severe hypotension.
a
Flecainide is more effective at cardioversion than
procainamide, 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
|
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)
|
Flecainide is more effective at cardioversion than
propafenone
| Patient |
Treatment |
Comparison |
Outcome |
CER |
OR
(95% CI) |
NNT
(95% CI) |
persistent or paroxysmal AF a
|
flecainide |
propafenone |
sinus rhythm
at 24 hours |
30% |
5.1
(2.3 to 11.0) |
5.1
(2.3 to 11.0) |
|