Ultrasound physics - Study guides, Class notes & Summaries

Definition of Duty Factor? - ️️The percentage of time the pulse is on -Unitless (just a number) -For continuous wave, duty factor = 100% -For pulsed wave, Duty Factor is less than 1% What are the two types of Ultrasound Waves? - ️️1.) Electromagnetic - Wave travels through a vacuum. 2.) Mechanical - Wave must travel through a medium. Meaning of Anechoic? - ️️Dark, less echos. Meaning of Echogenic? - ️️Full of echoes. Meaning of Hyperechoic? - ️️More echoes than adjac...

ARDMS SPI STUDY GUIDE (Ultrasound Physics Certification Test Study |QUESTIONS & ANSWERS |VERIFIED & UPDATED | 2024 In soft tissue, if the frequency of a wave is increased the Propagation Speed (PS) will... - Answer Remain the Same because stiffness and density affect Propagation Speed. What is the audible range? - Answer 20-20,000Hz >20,000Hz=Ultrasound Frequency is measured in - Answer Hertz (Hz) is Cycles per Second Not affected by sonographer Increase Frequency; Decrease Depth ...

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ARDMS SPI STUDY GUIDE Ultrasound Physics Certification Test Study | 180 ACTUAL QUESTIONS AND ANSWERS 100% WELL ILLUSTRATED | UPDATED

Which of the following is not a potential cause of artifact and diagnostic imaging? A. Operator error B. equipment malfunction C. Patient motion D. Ultrasound physics E. none of the above - ️️E. none of the above The four choices, A through D, represent the primary explanations of artifacts commonly seen in diagnostic ultrasound. What is the meaning of the term "analysis" in the context of spectral analysis of Doppler signals? A. Building a sophisticated signal from component...

Which of the following statements about speed and attenuation are true? a. Attenuation through and propagation speed in a particular medium are unrelated to each other. b. When a sound beam travels faster in a medium, the attenuation is less. c. When a sound beam travels slower in a medium, the attenuation is more. - ️️Attenuation through and propagation speed in a particular medium are unrelated to each other. Which of the following lists is in increasing order? a. mega, kilo, milli...