| CLASS | CARDIO-PULM | LP172861-9 |
| COMPONENT | Systolic time ratio | LP188745-6 |
| PROPERTY | TRto | LP6884-3 |
| TIME_ASPCT | Pt | LP6960-1 |
| SYSTEM | Heart | LP7289-4 |
| SCALE_TYP | Qn | LP7753-9 |
| parent | Systolic time ratio | Heart | Cardiopulmonary | LP408331-9 |
| CLASSTYPE | Clinical class | |
| ORDER_OBS | Both | |
| EXAMPLE_UNITS | ratio | |
| EXAMPLE_UCUM_UNITS | {ratio} | |
| STATUS | ACTIVE |
| LONG_COMMON_NAME | en-US | Systolic time ratio |
| LONG_COMMON_NAME | en-US | Systolic time ratio |
| SHORTNAME | en-US | Sys time rto |
| LONG_COMMON_NAME | es-MX | Razón de tiempo sistólico:Corazón :Punto temporal:TRto:Cuantitativo: |
LOINC Version: 2.81