What medication is used to treat heart and arrhythmias?
a. digitalis
b. quinidine
c. procainamide
d. disopyramide
Answer: a. digitalis
Digitalis is used to treat heart failure and arrhythmias; however, toxicity caused by this medication can also cause arrhythmias and conduction disturbances. the other medications can be used to treat arrhythmias as well.