Source:http://linkedlifedata.com/resource/umls/id/C0018800
MSH: 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.,CSP: hypertrophy or enlargement of the heart.,NCI: Abnormal enlargement of the heart.