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Exam 3

Ch. 25 Antidysrythmics

TermDefinition
quinidine (Qinidex), a class 1a sodium channel blocker, what are the adverse effects? AE: CINCHONISM, cardiotoxicity, dizziness, DIARRHEA, strong anticholinergic effects--TACHYCARDIA!, GI upset
action of quinidine (Qinidex) Wides QRS complex, prolongs QT intervals
Nursing interventions for quinidine Give with food, tell pt not to change brands
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
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.
what are the expected SE of lidocaine? PARESTHESIAS, drowsiness, confusion, toxic doses causes seizures and bronchospasm
What are the NI for lidocaine? monitor continuosly, watch both pump and heart monitor
What drugs interact with lidocaine? phenytoin, amiodarone, quinidine, procainmide, verapamil, beta blockers (all other antidysrythmics)
Created by: Moxie_Girl