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Unformatted text preview: glycosides Nerium oleander Mediterranean increases cytosolic Ca+ to tx CHF lidocaine, procainamide, tocainide Erythroxylum coca South America block cardiac Na+ channels to slow conduction and treat tachyarrhythmias verapamil derived from papaverine Papaver somniferum SE Europe block cardiac Ca+ channels to slow conduction and treat tachyarrhythmias quinidine Cinchona officinalis South America atropine Atropa belladonna Europe blocks cholinergic receptors to treat bradycardia...
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- Spring '08