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Echo Glossary
Clinical echocardiogrphy glossary
Abbreviation | Answer |
---|---|
2D | Two-dimensional |
3D | Three-dimensional |
A-long | Apical long-axis |
A-mode | Amplitude mode |
A | late diastolic ventricular filling velocity with atrial contraction |
A' | diastolic tissue Doppler velocity with atrial contraction |
A2C | apical two-chamber |
A4C | apical four-chamber |
AcT | acceleration time |
AF | atrial fibrillation |
AMVL | anterior mitral valve leaflet |
ant | anterior |
Ao | aortic or aorta |
AR | aortic regurgitation |
AS | aortic stenosis |
ASD | atrial septal defect |
ATVL | anterior tricuspid valve leaflet |
AV | atrioventricular |
AVA | aortic valve area |
AVR | aortic valve replacement |
BAV | bicupid aortic valve |
BP | blood pressure |
BSA | body surface area |
c | propagation velocity of sound in tissue |
CAD | coronary artery disease |
cath | cardiac catheterization |
Cm | specific heat of tissue |
cm/s | centimeters per second |
cm | centimeters |
CMR | cardiac magnetic resonance imaging |
CO | Cardiac output |
cos | cosine |
CS | coronary sinus |
CSA | cross-sectional area |
CT | computed tomography |
CW | continuous-wave |
Cx | circumflex coronary artery |
D | diameter |
DA | descending aorta |
dB | decibels |
dP/dt | rate of change in pressure over time |
dT/dt | rate of increase in temperature over time |
dyne . s . cm-5 | units of resistance |
E | early-diastolic peak velocity |
E' | early-diastolic tissue Doppler velocity |
ECG | electrocardiogram |
echo | echocardiography |
ED | end-diastole |
EDD | end-diastole dimension |
EDV | end-diastole volume |
EF | ejection fraction |
endo | endocardium |
epi | epicardium |
EPSS | E-point septal separation |
EROA | effective regurgitant orifice area |
ES | end-systole |
ESD | end-systolic dimension |
ESV | end-systolic volume |
ETT | exercise treadmill test |
f | frequency |
FL | false lumen |
Fn | near field |
Fo | resonance frequency |
Fs | scattered frequency |
FSV | forward stroke volume |
Ft | transmitted frequency |
HCM | hypertrophic cardiomyopathy |
HOCM | hypertrophic obstructive cardiomyopathy |
HPRF | high pulse repetition frequency |
HR | heart rate |
HV | hepatic vein |
Hz | Hertz |
I | intensity of ultrasound exposure |
IAS | interatrial septum |
ID | indicator dilution |
inf | inferior |
IV | intravenous |
IVC | inferior vena cava |
IVCT | isovolumic contraction time |
IVRT | isovolumic relaxation time |
kHz | kilohertz |
l | length |
LA | left atrium |
LAA | left atrial appendage |
LAD | left anterior descending coronary artery |
LAE | left atrial enlargement |
lat | lateral |
LCC | left coronary cusp |
LMCA | left main coronary artery |
LPA | left pulmonary artery |
LSPV | left superior pulmonary vein |
L-TGA | corrected transposition of the great arteries |
LV | left ventricle |
LV-EDP | left ventricular end-diastolic pressure |
LVH | left ventricular hypertrophy |
LVID | left ventricular internal dimension |
LVOT | left ventricular outflow tract |
M-mode | motion display |
MAC | mitral annular calcification |
MI | myocardial infarction |
MR | mitral regurgitation |
MS | mitral stenosis |
MV | mitral valve |
MVA | mitral valve area |
MVL | mitral valve leaflet |
MVR | mitral vavle replacement |
n | number of subjects |
NBTE | nonbacterial thrombotic endocarditis |
NCC | noncoronary intervention |
P | pressure |
PA | pulmonary artery |
PAP | pulmonary artery pressure |
PCI | percutaneous coronary intervention |
PDA | patent ductus arteriosus or posterior |
PE | pericardial effusion |
PEP | preejection period |
PET | positron-emission tomography |
PISA | proximal isovelocity surface area |
PLAX | parasternal long-axis |
PM | papillary muscle |
PMVL | posterior mitral vavle leaflet |
post | Posterior |
PR | pulmonic regurgitation |
PRF | pulse repetition frequency |
PRFR | peak rapid filling rate |
PS | pulmonic stenosis |
PSAX | parastenal short axis |
PV | pulmonary vein |
PVC | premature ventricular contraction |
PVR | pulmonary vascular resistance |
PWT | posterior wall thickness |
Q | volume flow rate |
Qp | pulmonic volume flow rate |
Qs | systemic volume flow rate |
r | correlation coefficient |
R | ventricular radius |
Rfr | regurgitant instantaneous flow rate |
RA | right atrium |
RAE | right atrial enlargement |
RAO | right anterior oblique |
RAP | right atrial pressure |
RCA | right coronary artery |
RCC | right coronary cusp |
Re | Reynolds number |
RF | regurgitant fraction |
RJ | regurgitant jet |
Ro | radius of microbubble |
ROA | regurgitant orifice area |
RPA | right pulmonary artery |
RSPV | right superior pulmonary artery |
RSV | regurgitant stroke volume |
RV | right ventricle |
RVE | right ventriclar enlargement |
RVH | right ventriclar hypertrophy |
RVOT | right ventriclar outflow tract |
s | second |
SAM | systolic anterior motion |
SC | subcostal |
SEE | standard error of the estimate |
SPPA | spatial peak pulse average |
SPTA | spatial peak temporal average |
SSN | suprasternal notch |
ST | septal thickness |
STJ | sinotublar junction |
STVL | septal tricuspid vavle leaflet |
SV | stroke volume or sample volume |
SVC | superior vena cava |
T1/2 | pressure half-time |
TD | thermodilution |
TEE | transesophagel echocardiography |
TGA | transposition of the great arteries |
TGC | time gain compensation |
Th | wall thickness |
TL | true lumen |
TN | true negatives |
TOF | tetralogy of Fallot |
TP | true positives |
TPV | time to peak velocity |
TR | tricuspid regurgitation |
TS | tricuspid stenosis |
TSV | total stroke volume |
TTE | transthoracic echocardiography |
TV | tricuspid valve |
v | velocity |
V | volume or velocity |
VAS | ventriculo-atrial septum |
Veg | vegetation |
Vmax | maximum velocity |
VSD | ventricular septal defect |
VTI | velocity-time integral |
WPW | Wolff-Parkinson-White syndrome |
Z | acoustic impedance |