| parent | CARD.PROC | LP200320-2 |
| child | A-wave amplitude | Heart.atrium Left | Cardiac procedures | LP407309-6 |
| child | A-wave amplitude | Heart.atrium Right | Cardiac procedures | LP407310-4 |
| child | A-wave amplitude | Pulmonary artery wedge | Cardiac procedures | LP407311-2 |
| parent | CARD.US | LP29672-0 |
| child | A-wave amplitude | Heart valve XXX | Cardiac ultrasound | LP407763-4 |
| parent | BP.VENOUS.MOLEC | LP7782-8 |
| child | A-wave amplitude | Heart.atrium Left | Specific venous blood pressure | LP415907-7 |
| child | A-wave amplitude | Heart.atrium Right | Specific venous blood pressure | LP415908-5 |
| child | A-wave amplitude | Pulmonary artery wedge | Specific venous blood pressure | LP415909-3 |
| PartDisplayName | en-US | A wave amplitude |
| DisplayName | en-US | A-wave amplitude |
LOINC Version: 2.77
FHIR