Table 2 Characteristics of cardioversion procedures

Procedure characteristic

Outcome

   Sinus rhythm restored

1,173 (92%)

Complications

13 (1.02%)

Number of shocks

   1

1,122 (88%)

   2

88 (6.9%)

   3 or more

62 (4.9%)

First cardioversion

358 (28%)

Setting and speciality of provider

   Care settings

      Outpatient

1,103 (87%)

      Inpatient

169(13%)

   Performed by

      Internist

403 (32%)

      Cardiologist

869 (68%)

   TEE performed

323 (25%)

Arrhythmia characteristics

   Type of arrhythmia

      AF

1,095 (86%)

      Atrial flutter

177 (14%)

   Arrhythmia less than 48 hours

606 (48%)

   Arrhythmia less than 7 days

783 (62%)

   Arrhythmia duration unknown

198 (16%)

Drugs used before, during and after procedure

   Prior anticoagulation

      Warfarin

218 (17%)

      Direct oral anticoagulant

661 (52%)

      None

393 (31%)

   Antiarrhythmic drug used during cardioversion

      None

1,188 (93%)

      Amiodarone

75 (5.9%)

      Other

9 (0.7%)

   Rhythm and rate control drugs prescribed after cardioversion

      Beta-blocker

617 (49%)

      None

280 (22%)

      Amiodarone

109 (8.6%)

      Sotalol

213 (17%)

      Propafenone

19 (1.5%)

      Verapamil

31 (2.4%)

      Diltiazem

3 (0.2%)