LOINC
Version 2.67

20256-4Mean pressure gradient by US.dopplerActive

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
Pressure gradient.mean
Property
PressDiff
Time
Pt
System
Circulatory system.XXX
Scale
Qn
Method
US.doppler

Additional Names

Short Name
Mean press grad DOP

Basic Attributes

Class
CARD.US
Type
Clinical
First Released
Version 1.0m
Last Updated
Version 2.67
Change Reason
Release 2.67: COMPONENT: Updated Component to include "pressure" and property from Pres to PressDiff for consistency; Previous Releases: Updated Component to include "pressure" and property from Pres to PressDiff for consistency
Order vs. Observation
Observation

Language Variants Get Info

zh-CNChinese (CHINA)
梯度.平均值:压差:时间点:循环系统.XXX:定量型:超声.多普勒
it-ITItalian (ITALY)
Gradiente.medio:PressDiff:Pt:Apparato circolatorio.XXX:Qn:Eco.doppler
pt-BRPortuguese (BRAZIL)
Gradiente.médio:Pres:Pt:Sistema circulatório.XXX:Qn:US.Doppler
es-ARSpanish (ARGENTINA)
gradiente.media:presión:punto en el tiempo:aparato circulatorio.XXX:cuantitativo:ecografía.doppler

Example Units

Unit Source
mm[Hg] Example UCUM Units

LOINC FHIR® API Example - CodeSystem Request Get Info

https://fhir.loinc.org/CodeSystem/$lookup?system=http://loinc.org&code=20256-4