Version 2.77

Term Description

Pressure gradient measure proximal to the aortic valve. Mean velocity measured proximal to the aortic valve.
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.mean
Property
Vel
Time
Pt
System
Heart.ventricle.left.outflow tract
Scale
Qn
Method
US.doppler

Additional Names

Short Name
LVOT Vmean 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 velocity for accuracy and consistency across terms
Order vs. Observation
Observation

Language Variants Get Info

Tag Language Translation
es-AR Spanish (Argentina) corazón.ventrículo.izquierdo.tracto de salida:velocidad:punto en el tiempo:HEART.VENTRICLE.LEFT.OUTFLOW TRACT:cuantitativo:ecografía.doppler
es-MX Spanish (Mexico) Velocidad de flujo sanguíneo media:Vel:Punto temporal:Tracto de salida izquierdo del ventrículo del corazón:Cuantitativo:US.doppler
it-IT Italian (Italy) Velocità del flusso sanguigno.media:Vel:Pt:Cuore.ventricolo.sinistro.tratto di efflusso:Qn:Eco.doppler
Synonyms: Eco Ecografia cardiaca Ecografia.doppler Punto nel tempo (episodio) Tratto di efflusso di ventricolo cardiaco Sinistro Velocità (distanza/tempo) Velocità media del flusso sanguigno Ventricolo cardiaco Ventricolo cardiaco Sinistro
pt-BR Portuguese (Brazil) Fluxo sanguíneo.médio:Velocidade:Pt:Coração.ventrículo.esquerdo.via de saída:Qn:US.Doppler
Synonyms: ; Vmean; Bld flow; Velocity; Point in time; Random; LVOT; LV; Vent; Ventricular; Hrt; Cardiac; Quantitative; QNT; Quant; Quan; DOP; DUPLEX; Ultrasound; ULS; Sonogram; Sonography; Sonograph; Echography; Average; Avg; Dynamic; Cardiology; Mean V; V mean
zh-CN Chinese (China) 血流速度.平均值:速度:时间点:心脏.心室.左侧.流出道:定量型:超声.多普勒
Synonyms: L LT 动态 可用数量表示的;定量性;数值型;数量型;连续数值型标尺 向左 向左侧 左 左侧（Left，LT，L） 左向 左心室.输出道;左心室.输出道;左心室流出道;左心室输出道;心.室.左侧.流出道;心.室.左侧.输出道;心.心室.左侧.流出道;心.心室.左侧.输出道;心脏.室.左侧.流出道;心脏.室.左侧.输出道;心脏.心室.左侧.流出道 左心室;心.室.左侧;心.心室.左侧;心脏.室.左侧 左边 心 心.室;心.心室;心室;心脏.室 心脏病学 心脏病学.超声;心脏超声 心脏超声.多普勒 时刻;随机;随意;瞬间 流 流量;流速;流体 血;全血 血流（血流量、血液流量）速度（速率）.平均值（均值） 血流量;血液流量 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(距离/时间);速率;速率(距离/时间)

Example Units

Unit Source
m/s; cm/s 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=20232-5