Term
| Supraventricular arrhythmias |
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Definition
| Sinus bradycardia, sinus tachycardia, paroxysmal supraventricular tachycardia, atrial fib, atrial flutter |
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Term
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Definition
| Premature ventricular contractions, VT, VF |
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Term
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Definition
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Term
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Definition
| procainamide, quinimide, disopyramide |
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Term
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Definition
| imtermediate potency blockade Na channels, slows phase 0, slows conduction, prolong repolarization |
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Term
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Definition
| Lidocaine, Tocainide, Mexiletine |
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Term
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Definition
| least potent blockade Na channels, shortens phase 3 repolarization, treat v-tach, not effective for Supraventricual arrhythmias |
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Term
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Definition
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Term
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Definition
| most potent blockade Na channels, markedly slows phase 0 depolarization, slows conduction, not safe, |
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Term
| Procainamide (Pronestyl, Procan SR) |
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Definition
| Class 1A sodium channel blocker, 3rd string drug, v-tach. AE- Lupus syndrome |
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Term
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Definition
| Class 1B sodium channel blocker, v-tach (been replaced), extensive first pass metabolism |
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Term
| Circumoral Paresthesias, Tinitus |
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Definition
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Term
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Definition
| Class 1C Na blocker, prevention of A- fib and flutter, and life threatening v-tach--> Mortality |
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Term
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Definition
| class 1C Na blocker, beta blocking properties; for life threatening V tach |
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Term
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Definition
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Term
| Beta blocker in dysrhythmias |
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Definition
| diminish phase 4 depolarization, depress automaticity, prolong AV conduction, decrease HR and contractility |
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Term
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Definition
| Beta blocker in dysrhythmias |
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Term
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Definition
| Potassium channel blockers |
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Term
| Potassium channel blockers |
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Definition
| Amiodarone, Ibutilide, Dofetilide |
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Term
| Potassium channel blockers MOA |
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Definition
| prolong duration of action potential without altering phase 0 depolarization |
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Term
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Definition
| lots of actions, main prolong action potential and refractory period; antianginal and antiarrhythmic activity. DOC in PVT/V-fib and pt w. HF. Long t1/2 |
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Term
| Pulmonary fibrosis, liver toxicity, skin discoloration, torsades de pointes, drug interactions |
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Definition
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Term
| Ibutilide (Corvert), Dofetilide (Tikosyn) |
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Definition
| class III Agent, used to terminate atrial fib, controls atrial rhythm. |
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Term
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Definition
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Term
| Calcium channel blockers MOA for dysrhthmias |
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Definition
| decrease rate of phase 4 depolarization, slow AV conduction, better for Atrial |
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Term
| Verpamil (isoptin, Calan) |
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Definition
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Term
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Definition
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Term
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Definition
| Digoxin, Adensoine, Atropine |
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Term
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Definition
| Parasympathomimetic- control ventricular response rate in afib- enhance vagal tone, direct AV block-- slow conduction rate. Drug interactions! |
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Term
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Definition
| vagomimetic- slows conduction rate, refractory period, and AV automaticity. DOC to stop acute supraventricular tachycardia |
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Term
| DOC to stop acute supraventricular tachycardia |
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Definition
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Term
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Definition
| blocks vagus nerve on heard, increase sinuse rate and av conduction--> for bradycardia |
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