Doppler ultrasound
E669200
Doppler ultrasound is a medical imaging technique that uses high-frequency sound waves to measure and visualize blood flow within vessels and the heart.
Statements (52)
| Predicate | Object |
|---|---|
| instanceOf |
medical imaging technique
ⓘ
ultrasound modality ⓘ |
| advantage |
bedside applicability
ⓘ
real-time imaging ⓘ relatively low cost ⓘ |
| appliedTo |
blood vessels
ⓘ
heart ⓘ |
| assesses |
direction of blood flow
ⓘ
pattern of blood flow ⓘ velocity of blood flow ⓘ |
| basedOn | Doppler effect NERFINISHED ⓘ |
| canBeCombinedWith |
B-mode ultrasound
NERFINISHED
ⓘ
M-mode ultrasound ⓘ |
| doesNotUse | ionizing radiation ⓘ |
| hasSubtype |
color Doppler
ⓘ
continuous-wave Doppler ⓘ power Doppler ⓘ pulsed-wave Doppler NERFINISHED ⓘ spectral Doppler ⓘ tissue Doppler imaging ⓘ |
| interpretedBy |
cardiologist
ⓘ
radiologist ⓘ |
| limitation |
angle dependence of velocity measurements
ⓘ
limited penetration in obese patients ⓘ operator dependence ⓘ |
| measures | blood flow ⓘ |
| nonInvasive | true ⓘ |
| performedBy | sonographer ⓘ |
| provides |
color flow map
ⓘ
quantitative velocity measurements ⓘ waveform display ⓘ |
| usedIn |
cardiology
ⓘ
emergency medicine ⓘ gynecology ⓘ nephrology ⓘ neurology ⓘ obstetrics ⓘ vascular medicine ⓘ |
| usedToAssess |
cardiac output
ⓘ
fetal well-being ⓘ placental blood flow ⓘ portal hypertension ⓘ renal artery stenosis ⓘ |
| usedToDiagnose |
carotid artery stenosis
ⓘ
congenital heart disease ⓘ deep vein thrombosis ⓘ peripheral arterial disease ⓘ valvular heart disease ⓘ venous insufficiency ⓘ |
| uses | high-frequency sound waves ⓘ |
| usesContrastAgents | sometimes ⓘ |
| visualizes | blood flow ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.