Description:
Quinidine is a pharmaceutical agent that acts as a class I antiarrhythmic agent (Ia) in the heart. It is a stereoisomer of quinine, originally derived from the bark of the cinchona tree.Intravenous quinidine is also indicated for treatment of Plasmodium falciparum malaria.Quinidine sulfate is used in the treatment of atrial fibrillation in the horse.Quinidine sulfate is used in the treatment of atrial fibrillation in the horse.