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Medical Definition of Quinidine sulfate
1. The salt of quinidine that is customarily administered as a cardiac antiarrhythmic agent. The drug depresses myocardial conduction, contraction, automaticity and contraction; it also by a direct effect impairs conduction through the atrioventricular node. Has vagolytic action that may increase heart rate. See: quinidine. (05 Mar 2000)
Lexicographical Neighbors of Quinidine Sulfate
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