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6 Cards in this Set
- Front
- Back
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class IA
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quinidine, procainamide,
disopyramide - increase QT interval (lead TdP) |
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class IB
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lidocaine, mexiletine, tocainide
- target ischemic purkinje and ventricular tissue |
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Class IC
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flecainide, propafenone
- C/I in structural heart dz |
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Class II
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olol beta blockers
- decrease SA and AV nodal activity - V-tach, SVT, afib, aflutter |
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class III
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amiodarone, ibutilide, dofetilid, sotalol
- increase QT interval, use other antiarrhythmics fail - check PFT, LFT, and TFT w/amiodarone |
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Class IV
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verapamil, diltiazem
- CCB increase PR interval, prevent nodal arrhythmias |
