| parent | Card | LP29708-2 |
| child | Arrhythmia | LP188713-4 |
| child | Axis | LP31557-9 |
| child | Cardiac pacemaker prosthetic | LP31558-7 |
| child | Conduction | LP31561-1 |
| child | Hypertrophy | LP31563-7 |
| child | Intraventricular conduction | LP31565-2 |
| child | Myocardial infarction age | LP31566-0 |
| child | Myocardial ischemia | LP31567-8 |
| child | QRS complex | LP31569-4 |
| child | Recording duration | LP31570-2 |
| child | Rhythm segment | LP31571-0 |
| child | ST-T segment | LP73418-3 |
| child | Study observation.overall | LP73420-9 |
| child | Ventricular morphology | LP31576-9 |
| STATUS | ACTIVE |
| PartDisplayName | en-US | EKG.IMP |
| DisplayName | en-US | Impression |
LOINC Version: 2.81