Quinidine is a pharmaceutical agent that acts as a class I antiarrhythmic agent in the heart. It is a stereoisomer of quinine, originally derived from the bark of the cinchona tree.


... QUINIDINE is an antiarrhythmic agent. Quinidine treats irregular heart rhythm and can slow rapid heartbeats (tachycardia). Quinidine can help your heart to return to and maintain a normal rhythm. Generic quinidine tablets and capsules are available ...
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Quinidine Systematic (IUPAC) name 2-ethenyl-4-azabicyclo[2.2.2]oc ...
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Quinidine Other

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What You Need to Know About Quinidine
... Other names:  Quinaglute Dura-Tabs, Quinidex, Why is this drug prescribed? Quinidine is used to treat irregular heartbeats (arrhythmias). It relaxes an overactive heart and improves the efficienc...
Source: Cleveland Clinic