Ch. 25 Antidysrythmics
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| quinidine (Qinidex), a class 1a sodium channel blocker, what are the adverse effects? | AE: CINCHONISM, cardiotoxicity, dizziness, DIARRHEA, strong anticholinergic effects--TACHYCARDIA!, GI upset
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| action of quinidine (Qinidex) | Wides QRS complex, prolongs QT intervals
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| Nursing interventions for quinidine | Give with food, tell pt not to change brands
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| Procainamide, a class 1a sodium channel blocker is similar in actions as quinidine, but what can it cause with prolonged use? | -systemic LUPUS erythematous
-cardiotoxicity, QT prolongation, AGRANULOCYTOSIS
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| lidocaine (Xylocaine) a Class 1b is used short term only for ventricular dysrythmias. How do you administer it? | IV only (d/t large first pass effect), bolus followed by continuous infusion.
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| what are the expected SE of lidocaine? | PARESTHESIAS, drowsiness, confusion, toxic doses causes seizures and bronchospasm
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| What are the NI for lidocaine? | monitor continuosly, watch both pump and heart monitor
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| What drugs interact with lidocaine? | phenytoin, amiodarone, quinidine, procainmide, verapamil, beta blockers (all other antidysrythmics)
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