Knowledge of ultrasound physics and equipment21
| Ultrasound physics | Artifacts | Equipment | Instrument functions |
| Amplitude Wavelength Frequency Intensity Absorption Impedance Attenuation Reflection Refraction Scattering Harmonics Axial resolution Lateral resolution | Axial Shadowing Comet tail Enhancement Reverberation Mirroring Lateral Side lobes Refraction Equipment Range ambiguity Aliasing Ghosting | Piezoelectric transducers Linear array 2.5–12 MHz Convex array 3.5–6.5 MHz Phased array 2–7.5 MHz Vector array (linear and phased) 1.25–4.5 MHz Capacitive transducers CMUT CPUT | Gain Time gain compensation Preset Depth Focus Brightness mode Motion mode Color Doppler Power Doppler Pulse wave Doppler Spectral Doppler Harmonics Saving images Clip function |
CMUT, capacitive micromachined ultrasound transducer; CPUT, capacitive piezoelectric ultrasound transducers.