ultrasound imaging
Sound-wave body scans
Ultrasound imaging uses high-frequency sound waves to produce pictures of structures inside the body.
A device pressed against the skin emits waves that bounce off internal tissues; a computer converts the echoes into real-time images.
The technique is safe, painless, and requires no radiation, making it standard for monitoring pregnancies: The ultrasound showed twins.
Also used to examine organs, blood vessels, and guide medical procedures.
- sonographyImaging using sound waves
- transducerEnergy form converter
- high frequencyMany oscillations per second
- frequencyRate of recurrence
- Doppler effectWave compression from motion
echocardiography · fetal monitoring · scattering · cavitation · signal processing · absorption · pulsing · reflection · soft tissue · womb · pregnancy · gallbladder · monitor · jelly belly · prenatal · due date · gender reveal · grainy
- radiologyX-ray, CT scan, MRI machine, MRI, radiologist
- muscle testsstrength testing, EMG, electromyography
- tomographytomography, backprojection
- acousticssoundwave, vibration, wavelength, resonance, amplitude
- vision scienceoptics, optometry, ophthalmology, visual perception, vision testing
ultrasound imagingradiography
Diagnostic imaging using X-rays
X-ray · CT scan · fluoroscopy · nuclear medicine · computed tomography
ultrasound imagingexploratory surgery
laparotomy · endoscopy · arthroscopy · laparoscopy · biopsy