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11 Cards in this Set
- Front
- Back
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Class 1 MOA
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Na channel blockers
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Class II MOA
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Beta-adrenoreceptor blockers
Suppresses Phase 4 depolarizaion |
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Class III MOA
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K+ channel blockers
Prolongs phase 3 repolarization |
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Class IV MOA
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Ca2+ channel blockers
Shortens action potential |
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Class 1A vs 1B
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A = slows Phase 0 depolarization
B = Shortens Phase 3 repolarization 1C markedly slows phase 0 |
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Drug associated with cinchonism
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Quinidine
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Class 1A causing reversible SLE
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Procainamide
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Cardiac class of lidocaine
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1B
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Class 1C drugs
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Flecainide and propafenone
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SE of Amiodarone
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Pulmonary fibrosis, tremor, ataxia, hyper or hypothyroidism, GI intolerance, skin color changes
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Associated with Torsades De Pointes
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Quinidine and Sotalol
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