Version 2.78

Term Description

For use when the System is Patient or when the System is Fetus or Other but the context is supplied by DICOM Supplement 23-Structured Reporting, Observation Subject context Module (C.6.12).
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
Resistivity index
Property
VelRto
Time
Pt
System
Cerebral artery middle
Scale
Qn
Method
US.doppler

Additional Names

Long Common Name
Cerebral artery middle Resistivity index US.doppler
Short Name
Cerebral a Middle RI DOP

Basic Attributes

Class
OB.US
Type
Clinical
First Released
Version 1.0j-a
Last Updated
Version 2.48
Order vs. Observation
Observation

Formula (Readable)

Resistivity Index = (blood flow.systolic.max - blood flow.diastolic.min) / blood flow.systolic.max

Language Variants Get Info

Tag Language Translation
es-AR Spanish (Argentina) índice de resistividad:relación de velocidad:punto en el tiempo:arteria cerebral media:cuantitativo:doppler.calculado
es-MX Spanish (Mexico) Índice de resistividad:VelRto:Punto temporal:Media de la arteria cerebral:Cuantitativo:US.doppler
it-IT Italian (Italy) Resistività, indice:VelRto:Pt:Arteria cerebrale media:Qn:Eco.doppler
Synonyms: Eco Ecografia ostetrica Ecografia.doppler Indice di resistività Punto nel tempo (episodio) Rapporto di velocità
pt-BR Portuguese (Brazil) Índice de resistência:VelRto:Pt:Artéria Cerebral média:Qn:US.doppler
Synonyms: ; RI; Velocity ratio; Point in time; Random; Cerebral a Middle; Art; Quantitative; QNT; Quant; Quan; DOP; DUPLEX; Ultrasound; ULS; Sonogram; Sonography; Sonograph; Echography; OBSTERICAL.ULTRASOUND; OBSTERICAL.ULTRASOUND; Obstetrical; Obstetrics
zh-CN Chinese (China) 阻力指数:速度比率:时间点:大脑中动脉:定量型:超声.多普勒
Synonyms: Cereb 产科 产科.超声;产科.超声.印象与测量指标;产科学.超声;产科学.超声.印象与测量指标;产科学检查与测量指标.超声.印象与测量指标;产科学超声印象与测量指标 产科学 可用数量表示的;定量性;数值型;数量型;连续数值型标尺 大脑（Cerebral） 心脏超声.多普勒 时刻;随机;随意;瞬间 术语"cerebral"指的是主要由中枢半球（大脑皮质和基底神经节）组成的那部分脑结构 血流阻力指数;Resistivity index;RI 超声检查方法;超声检查法;超声波;超声波检查方法;超声波检查法 速度比

Example Units

Unit Source
{index} Example UCUM Units

LOINC Terminology Service (API) using HL7® FHIR® Get Info

CodeSystem lookup
https://fhir.loinc.org/CodeSystem/$lookup?system=http://loinc.org&code=12014-7