Pharm
Sotalol
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Sotalol
, Betapace
Indication
Ventricular
Arrhythmia
Supraventricular
Arrhythmia
Atrial Fibrillation Cardioversion
Time to Cardioversion: 3-6 hours
Conversion Rate: 20-52%
Chronic Efficacy: 50-60%
Mechanism
Class III
Antiarrhythmic
Prolongs
Action Potential
duration
Increases cardiac tissue refractoriness
Class II
Antiarrhythmic
Non-selective
Beta Blocker
Adverse Effects
Bradycardia
Hypotension
Proarrhythmia (
Torsades de Pointes
)
Associated with doses over 320 mg per day
Dosing
Oral
Starting Dose: 80 mg PO bid
Typical dosing: 80-160 mg PO bid
Maximum: 640 mg per day
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