LOINC
Version 2.67

11726-7Circulatory system Peak systolic flow velocity US.dopplerActive

Term Description

Maximum value of the Doppler shift frequency envelope.
Source: Regenstrief LOINC

Part Description

LP6617-7   US.doppler
Doppler ultrasound detects the shift in frequency of ultrasound signals reflected from moving objects. Conventional Doppler techniques assess the velocity of blood flow by measuring high-frequency, low-amplitude signals from small, fast-moving blood cells. [PMID: 16534017] Source: Regenstrief LOINC, PMID: 16534017

Fully-Specified Name

Component
Blood flow velocity.systolic.max
Property
Vel
Time
Pt
System
{Circulatory system}
Scale
Qn
Method
US.doppler

Additional Names

Short Name
Circ sys Vmax sys DOP

Basic Attributes

Class
OB.US
Type
Clinical
First Released
Version 1.0j-a
Last Updated
Version 2.67
Change Reason
Release 2.67: COMPONENT: Updated component to include velocity for accuracy and consistency across terms
Order vs. Observation
Observation

Language Variants Get Info

pt-BRPortuguese (BRAZIL)
Fluxo sanguíneo.sistólica.máxima:Velocidade:Pt:{Sistema circulatório}:Qn:US.doppler
es-ARSpanish (ARGENTINA)
flujo sanguíneo.sistólico.máximo:velocidad:punto en el tiempo:{aparato circulatorio}:cuantitativo:doppler.medido

Example Units

Unit Source
cm/s Example UCUM Units

LOINC FHIR® API Example - CodeSystem Request Get Info

https://fhir.loinc.org/CodeSystem/$lookup?system=http://loinc.org&code=11726-7