这个词是什么意思？
Enlargement of the HEART, usually indicated by a cardiothoracic ratio above 0.50. Heart enlargement may involve the right, the left, or both HEART VENTRICLES or HEART ATRIA. Cardiomegaly is a nonspecific symptom seen in patients with chronic systolic heart failure (HEART FAILURE) or several forms of CARDIOMYOPATHIES.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D006332 · MeSH 2026。
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