Also found in: Thesaurus, Medical, Wikipedia.
Related to megacardia: tachycardia, cardiomegaly, megalocardia
Switch to new thesaurus
|Noun||1.||megacardia - an abnormal enlargement of the heart; "mild cardiomegaly is common in athletes"|
symptom - (medicine) any sensation or change in bodily function that is experienced by a patient and is associated with a particular disease