Discuss the operating principles of sonography, focusing on the pulse-echo technique and its significance in medical imaging. Explain how the echoes are used to create an image and the importance of echo strength and return time.

Discuss the operating principles of sonography, focusing on the pulse-echo technique and its significance in medical imaging. Explain how the echoes are used to create an image and the importance of echo strength and return time.

What frequency range qualifies sound as ultrasound?

What determines the brightness of a dot in the pulse-echo image?

A 6 dB decrease corresponds to what reduction in intensity?

Scattering allows:

What frequency range qualifies sound as ultrasound?

The Doppler effect measures:

When sound hits a boundary between two media perpendicularly, what determines reflection vs. transmission?

Which unit measures attenuation?