这个词是什么意思？
A class I anti-arrhythmic agent (one that interferes directly with the depolarization of the cardiac membrane and thus serves as a membrane-stabilizing agent) with a depressant action on the heart similar to that of guanidine. It also possesses some anticholinergic and local anesthetic properties.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D004206 · MeSH 2026。
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