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- W3118832730 abstract "This chapter reviews the basic physics and principles of ultrasound, including the more common problematic artifacts. It provides a basic understanding of ultrasound principles to maximize accurate image interpretation. The chapter helps the reader to understand the fundamentals of ultrasound physics and how they relate to image formation. The ultrasound machine consists of two main parts, the probe and the processor. The probe has two main functions: first, to generate a sound wave (acts as a transmitter), and second, to receive a reflected sound wave (acts as a receiver). The processor, located within the ultrasound unit, takes these incoming signals and turns them into a useful image. Acoustic impedance refers to the reflection and transmission characteristics of a substance. It is a measure of absorption of sound and the ratio of sound pressure at a boundary surface to the sound flux. Other ultrasound principles that affect our image include absorption, scatter, and angle of reflection." @default.
- W3118832730 created "2021-01-18" @default.
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- W3118832730 date "2021-01-08" @default.
- W3118832730 modified "2023-10-18" @default.
- W3118832730 title "POCUS: Basic Ultrasound Physics" @default.
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- W3118832730 doi "https://doi.org/10.1002/9781119461005.ch2" @default.
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