Module 1: Basics of Ultrasound and Imaging

Ultrasound basics are reviewed and transducer modes and manipulation are described.

28 Lessons

Objectives

Uses of Ultrasound in Medicine

How Does Ultrasound Work?

Sound and Ultrasound

Characteristics of Ultrasound

Piezoelectric Crystals

Amplitude

Wavelength and Frequency

Propagation Velocity

Ultrasound Transducers

How Ultrasound Images are Created

Generation of a 2-D Image

Effect of Tissue on Ultrasound

Refraction

Attenuation

Reflection

Scatter

Resolution

Image Artifacts

Erroneously Perceived Structures

Missing Structures

Misplaced Structures

Transducer Orientation

Optimizing the Ultrasound View

Basics of Ultrasound and Imaging Key Points