| parent | CARD.US | LP29672-0 |
| child | A-wave duration | Circulatory system XXX | Cardiac ultrasound | LP407764-2 |
| child | A-wave duration | Pulmonary vein | Cardiac ultrasound | LP407765-9 |
| parent | CARD.US.DICOM | LP203309-2 |
| child | A-wave duration | Mitral valve | DICOM Simplified Adult Echo Report concepts | LP408136-2 |
| PartDisplayName | en-US | A wave duration |
| DisplayName | en-US | A-wave duration |
LOINC Version: 2.77
FHIR