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Antiarrhythmics Dosing
Dosing for Antiarrhythmic drugs
16
Health Care
Undergraduate 4
03/30/2007

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Cards

Term
Procainamide
Definition
Procan SR 500-1000 mg bid

conversion: 1-2 g IV over 30 min
Term
Lidocaine
Definition
V-arrhythmias: 1-1.5 mg/kg x5-10min

Continuous Infusion: 1-4 mg/min
Term
Flecainide
Definition
Tambocor - A arrhythmias: 50-150 mg po q12

conversion 300 mg po
Term
Propafenone
Definition
Rhythmol - A arrhythmias: 150-300 mg po q8h

conversion - 450 - 600 mg
Term
Amiodarone
Definition
Pacerone A&V arrhythmias: 800-1200mg po x2-3 doses to 10g then 100-200mg/d OR 1 mg/min IV over 6 hr then .5 mg/min for 18 h

May be supplemented w/ 150mg bolus doses

cardiac arrest: 300 mg IV bolus
Term
Sotalol
Definition
Betapace - A arrhythmias: 80-160mg bid
Term
Ibutilide
Definition
Corvert - conversion: 1mg IV over 10 min, wait 10 min, rpt 1x if not converted
Term
Adenosine
Definition
PSVT - IV slam - 6mg, 12mg, 12mg
Term
Metoprolol
Definition
Lopressor/Toprol XL

acute rate control: 5mg IV q5min to 15mg

chronic rate control: 50-200mg/d XL or 25-100 mg bid
Term
Atenolol
Definition
Tenormin - chronic rate control: 25-100mg/d
Term
Diltiazem
Definition
Cardizem - acute rate control - .25-.35mg/kg, 5-15mg/h

chronic rate control - 120-360mg/d XL or 30-120 mg q8h
Term
Digoxin
Definition
Lanoxin - acute rate control: .5mg, .25mg, .25mg q6h loading dose

maintenance: .75-1.5mg over 12-24h
Term
Verapamil
Definition
Calan/Verelan/Isoptin

chronic rate control: 120-240mg/d XL or 40-120 q8h
Term
ASA
Definition
Lone A-Fib, 325mg/d
Term
Atropine
Definition
Bradycardia - .5-1mg IV
Term
MgSO4
Definition
Torsades - 1-2g IV
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