Quinidine, Structure, Mechanism of action, Drug Interactions, Therapeutic Uses, Adverse effects and Contraindications

Quinidine Quinidine is an antiarrhythmic drug classified as a Class Ia sodium channel blocker. It is used to treat various types of arrhythmias, particularly supraventricular and ventricular arrhythmias. Quinidine works by blocking sodium channels in the heart muscle, which slows down the conduction of electrical impulses and helps restore a more regular heart rhythm. Quinidine is available under various brand names, depending on the country and manufacturer. Some common brand names for quinidine include: Quinaglute Quinidex Cardioquin Duraquin Quinora Quinalan Quiniduran Quin-Release Quinoric Quinamm It's important to note that the availability of specific brand names may vary by region, and there might be other brand names not listed here. Mechanism Of Action The MOA (Mechanism of Action) of quinidine is related to its classification as a Class Ia antiarrhythmic drug. Quinidine works primarily by blocking sodium channels in cardiac cells during the action potential, affecting t...