LOINC long common name : Ductus arteriosus Peak systolic flow velocity US.doppler;
LOINC short name : DA Vmax sys DOP;
LOINC description : Maximum value of the Doppler shift frequency envelope. If System is Patient or if
System is Fetus or Other but the context is supplied by DICOM Supplement 23-Structured
Reporting, Observation Subject context Module (C.6.12).;