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Cardioversion upto7 Days

Drug	Route	Dosage
Dofetilide	Oral	Creatinine clearance(ml/min) Dose (mg) >60 500 40 to 60 250 20 to 40 125 <20 Contraindicated
Flecainide	Oral or Intravenous	Oral: 200 to 300 mg Intravenous: 1.5 to 3.0 mg/kg over 10 to 20 min
Ibutilide	Intravenous	1 mg over 10 min; repeat 1 mg when necessary
Propafenone	Oral or Intravenous	Oral: 600 mg Intravenous: 1.5 to 2.0 mg/kg over 10 to 20 min
Amiodarone	Oral or Intravenous	Oral: Inpatient: 1.2 to 1.8 g per day in divided dose until 10 g total then 200 to 400 mg per day maintenance or 30 mg/kg as single dose Outpatient: 600 to 800 mg per day divided dose until 10 g total then 200 to 400 mg per day maintenance. Intravenous: 5 to 7 mg/kg over 30 to 60 min then 1.2 to 1.8 g per day continuous IV or in divided oral doses until 10 g total then 200 to 400 mg per day maintenance.

Cardioversion after 7 Days

Drug	Route	Dosage
Dofetilide	Oral	Creatinine clearance(ml/min) Dose (mg) >60 500 40 to 60 250 20 to 40 125 <20 Contraindicated
Amiodarone	Oral or Intravenous	Oral: Inpatient: 1.2 to 1.8 g per day in divided dose until 10 g total then 200 to 400 mg per day maintenance or 30 mg/kg as single dose Outpatient: 600 to 800 mg per day divided dose until 10 g total then 200 to 400 mg per day maintenance. Intravenous: 5 to 7 mg/kg over 30 to 60 min then 1.2 to 1.8 g per day continuous IV or in divided oral doses until 10 g total then 200 to 400 mg per day maintenance.
Ibutilide	Intravenous	1 mg over 10 min; repeat 1 mg when necessary

Drugs which enhance the efficacy of cardioversion when given prior to the procedure: (Level of recommendation: IIa B)

• Amiodarone
• Flecainide
• Ibutilide
• Propafenone
• Sotalol