| Term 
 
        | How do Class III agents work? |  | Definition 
 
        | increase the refractory period; mainly block potassium channels |  | 
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        | Term 
 
        | Name Class III agents of note? |  | Definition 
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        | Term 
 
        | Are Class III agents popular? |  | Definition 
 
        | Most popular antiarrhythmics! |  | 
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        | Term 
 
        | Black box warning for Class III agents? |  | Definition 
 
        | Lung damage Liver Toxicity |  | 
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        | Term 
 
        | Contraindications for Class III Agents? |  | Definition 
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        | Term 
 
        | Note the black box warnings!   [image] |  | Definition 
 
        | Statement. Not a question. |  | 
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        | Term 
 
        | Which medications must be decreased when Amiodarone is started? |  | Definition 
 
        | Digoxin, warfarin, quinidine and procainamide |  | 
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