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en:atropine [2013/01/31 14:38] (current)
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 +An alkaloid, originally from Atropa belladonna, but found in other plants, mainly SOLANACEAE. (MeSH: [[MeSH>​68001285]])
 +Anti-Arrhythmia Agents - Agents used for the treatment or prevention of cardiac arrhythmias. They may affect the polarization-repolarization phase of the action potential, its excitability or refractoriness,​ or impulse conduction or membrane responsiveness within cardiac fibers. Anti-arrhythmia agents are often classed into four main groups according to their mechanism of action: sodium channel blockade, beta-adrenergic blockade, repolarization prolongation,​ or calcium channel blockade. (Year introduced: 1976) (MeSH:​[[MeSH>​68000889]])
 +{{pubchem>​l_template:​174174|Atropine,​ dl-Hyoscyamine}}