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12 Cards in this Set
- Front
- Back
Class I Na+ Channel Blockers?
(1A) |
Disopyramide (Norpace)
Procainamide (Procan) Quinidine (Quinidex) |
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Class I Na+ Channel Blockers (1b)?
|
Lidocaine (Elamax/Lidoderm)
Mexiletine (Mexitil) Tocainide (Tonocard) |
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Class I Na+ Channel Blockers (1c)?
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Flecainide (Tambocor)
Propafenone (Rhythmol) Others: Adenosine Digoxin |
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Class II B-Blockers
|
Esmolol (Brevibloc)
Metoprolol (Lopressor,Toprol) Pindolol (Visken) Propranolol (Inderal) |
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Class III K+ Channel Blockers
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Amiodarone (Cordarone)
Bretylium (Bretylol) Sotalol (Betapace) |
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Class IV Ca++ Channel Blockers
|
Diltiazem (Cardizem, Tiazac)
Verapamil (Calan, Covera, Isoptin) |
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Mechanism of action of Class IA antiarrhytmics?
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Na+ Channel Blockers
class 1A slows phase 0 depolarization |
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Mechanism of action of Class IB antiarrhytmics?
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Na+ Channel Blockers
Class 1B shortens phase 3 repolarization |
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Mechanism of action of Class IC antiarrhytmics?
|
Na+ Channel Blockers
Class 1C markedly slows phase 0 depolarization |
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Mechanism of action of Class 2 antiarrhytmics?
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Class II B-Blockers (supresses phase 4 depolarization)
|
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Mechanism of action of Class 3 antiarrhytmics?
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Class III K+ Channel Blockers (prolongs phase 3 repolarizaion)
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Mechanism of action of Class 4 antiarrhythmics?
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Class IV Ca++ Channel Blockers (shortens action potential)
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