| parent | CARD.US | LP29672-0 |
| child | E-F slope | Heart valve XXX | Cardiac ultrasound | LP407864-0 |
| child | E-F slope | Mitral valve leaflet anterior | Cardiac ultrasound | LP407865-7 |
| STATUS | ACTIVE |
| PartDisplayName | en-US | E-F slope |
| DisplayName | en-US | E-F slope |
LOINC Version: 2.78