Ibutilide
General
- Type: Antiarrhythmics
- Dosage Forms:IV 1mg/10mL
- Common Trade Names: Corvert
Adult Dosing
- Loading dose = 1mg IV in 50mL D5W over 10min (wt>60kg)
- Loading dose = 0.01mg/kg IV in 50mL D5W over 10min (wt<60kg)
- Dose may be repeated 10min after completion of 1st dose
Pediatric Dosing
Safety/efficacy not established
Special Populations
- Pregnancy Rating: Use in pregnancy may be considered, but data is sparse
- Lactation risk: Not recoemmended
- Renal Dosing: none
- Hepatic Dosing: none
Indications
- Rapid conversion of recent-onset A-fib/flutter to NSR
Contraindications
- Allergy to class/drug
Adverse Reactions
- QT prolongation, V-tach, torsades
- Observe for 4hr after infusion
Pharmacology
- Half-life: 2-12h
- Metabolism: Hepatic
- Excretion: Mostly urine
- Mechanism of Action: Class III - Prolongs AP and refractory period
Kinetics
- Onset of action = 20-30min
- Duration of action = 24hr