Version 2.77

Part Description

LP72027-3   A wave amplitude
The A wave represents the flow of blood through the mitral or tricuspid valve into the ventricle (ventricular filling) during atrial contraction. During the A wave, upper-case A represents the blood flow velocity (LOINC component: blood flow velocity.A wave) and lower-case a prime (a') represents the annular tissue velocity (LOINC component: tissue velocity.A wave). The A and a' waves follow the E (LOINC component: blood flow velocity.E wave) and e' waves (LOINC component: tissue velocity.E wave), which represent ventricular filling during early diastole, before the start of atrial contraction. PMID: 20451803 Source: DICOM, PMID: 20451803

Fully-Specified Name

Component
A wave amplitude
Property
Pres
Time
Pt
System
Heart.atrium.right
Scale
Qn
Method
Cardiac catheterization

Additional Names

Short Name
A-wave amp RA Cardiac Cath

Basic Attributes

Class
CARD.PROC
Type
Clinical
First Released
Version 2.54
Last Updated
Version 2.56
Order vs. Observation
Observation

Language Variants Get Info

Tag Language Translation
es-MX Spanish (Mexico) Una amplitud de onda:Pres:Punto temporal:Corazón.atrio.derecho:Cuantitativo:Cardiac catheterization
it-IT Italian (Italy) Onda A, ampiezza:Pres:Pt:Cuore.atrio.destro:Qn:Cateterizzazione cardiaca
Synonyms: Ampiezza dell''onda A Atrio Destro del cuore Pressione Procedure cardiache Punto nel tempo (episodio)
zh-CN Chinese (China) A 波振幅:压力或压强:时间点:心脏.心房.右侧:定量型:心导管插入术
Synonyms: A 型 A 波幅度;A 波波幅 a-波振幅（波幅、波幅度、幅度） R RT 压力;压强 可用数量表示的;定量性;数值型;数量型;连续数值型标尺 右 右侧（Right，R，RT） 右侧的 右向 右向的 右心房;右心耳;心.心房.右侧;心.心耳.右侧;心.房.右侧;心.耳.右侧;心脏.心耳.右侧;心脏.房.右侧;心脏.耳.右侧 右边 右边的 向右 向右的 心 心导管术;心导管检查 心脏病学 时刻;随机;随意;瞬间

Example Units

Unit Source
mm[Hg] 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=80234-8