这个词是什么意思？
Any disturbances of the normal rhythmic beating of the heart or MYOCARDIAL CONTRACTION. Cardiac arrhythmias can be classified by the abnormalities in HEART RATE, disorders of electrical impulse generation, or impulse conduction.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D001145 · MeSH 2026。
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