LOINC
Version 2.71

59129-7Left ventricular E-wave/A-wave by USActive

Term Description

The E to A ratio using a TDI waveform instead of MV. Standard TDI diastology calculation.
Source: Regenstrief LOINC

Part Description

LP72502-5   E wave
The E wave represents the flow of blood through the mitral or tricuspid valve into the ventricle (ventricular filling) during early diastole, before atrial contraction (LOINC component: blood flow velocity.E wave). [PMID:20451803] Source: DICOM, PMID: 20451803

Fully-Specified Name

Component
E wave/A wave
Property
VelRto
Time
Pt
System
Heart.ventricle.left
Scale
Qn
Method
US

Additional Names

Short Name
LV E-wave/A-wave US

Basic Attributes

Class
CARD.US
Type
Clinical
First Released
Version 2.32
Last Updated
Version 2.54

Language Variants Get Info

zh-CNChinese (China)
E 波/A 波:速度比率:时间点:心脏.心室.左侧:定量型:超声
it-ITItalian (Italy)
Onda E/Onda A:VelRto:Pt:Cuore.ventricolo.sinistro:Qn:Ecografia
pt-BRPortuguese (Brazil)
Onda E/onda A::Pt:Coração.ventrículo.esquerdo:Qn:US
ru-RURussian (Russian Federation)
E волна/А волна:СкОтн:ТчкВрм:Сердце.желудочек.левый:Колич:УЗ

Example Units

Unit Source
{ratio} Example UCUM Units

LOINC FHIR® API Example - CodeSystem Request Get Info

https://fhir.loinc.org/CodeSystem/$lookup?system=http://loinc.org&code=59129-7