Science Quiz / Antiarrhythmic Drugs

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Can you name the Antiarrhythmic Drugs?

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HintDrug or Class of DrugExtra Hint
Blocks Na channels, and also Ca channels and beta-AR; oral admin and hepatic metabolismClass IC Na Channel Blocker
Used for treatment of supraventricular arrhythmias; blocks Na channels and reduces phase 0 depolarization; slows of conduction in the His-Purkinje systemClass IC Na Channel Blocker
1 of 4 Beta BlockersBeta Blocker
Blockade of rapid Na channels; effective primarily on ventricular arrhythmiasClass of Drug
Will increase HR and contractility in response to increased sympathetic input; used primarily with supraventricular arrhythmiasClass of Drug
Potent antiarrhythmics for slowing the conduction of the cardiac impulseClass of Drug
Purine nucleoside used for terminating paroxysmal supraventricular tachacardia; increases K conductance leading to hyperpolarization; has Ca channel blocking effects; IV adminOther
Effective in atrial and ventricular arrhythmias; more effective than quinidine, procaineamide, and mexilitine in preventing recurrence of ventricular arrhythmiasK Channel Blocker
Used to reduce ventricular response to atrial flutter or fibrillation by slowing conduction through AV nodeClass of Drug
Usually for patients that can’t tolerate other type IA drugs; is a potent antimuscarinic drug; most side effects stem from antimuscarinic activityClass IA Na Channel Blocker
HintDrug or Class of DrugExtra Hint
Prolong the AP and ERP of purkinje and muscle fibers; have become first line agentsClass of Drug
Will block vagal stimulation of heart, decreases HR via SA node; may also be increased conduction velocity in AV nodeClass IA Na Channel Blocker
Useful for atrial tachycardias, flutter or fibrillation because it slows conduction through AV node; inhibits Na/K ATPase and increases intracellular Ca concentrationOther
Will suppress ventricular ectopic foci and will decrease automaticity of purkinge fibers; shortens duration of AP and ERP; acts on activated and inactivated Na channels; IV adminClass IB Na Channel Blocker
A Ca channel blockerCa Channel Blocker
Myocardial depressants; reduce automaticity, responsiveness, and refractoriness; are particularly effective with ectopic foci and reentrant arrhythmias; 'local anesthetic action'Class of Drug
Decreased automaticity and responsiveness while refractoriness is increased; longer duration of action and less antimuscarinic activity than quinidineClass IA Na Channel Blocker
Will slow conduction in His-pukinje system; used for atrial fibrillation or ventricular tachacardia; oral or IV adminK Channel Blocker
Used IV for acute termination of atrial fibrillation or atrial flutter; Tosades de Pointes occurs in 3-8% of patientsK Channel Blocker

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