| Webster's Online Dictionary |
| Domain | Definition | ||
| Medicine | Apparatus which, by means of currents produced by contractions of the cardiac muscle, records heart movements as electro-cardiograms; an instrument for recording the changes of electrical potential occurring during the heartbeat used in diagnosing irregularities of heart action. Source: European Union. (references) | ||
Source: compiled by the editor from various references; see credits. | Top | ||