History of Ultrasound
Sonographic Terminology
Professional Organizations
Sound Terminology /Artifacts
Misc.
100
I wrote the Theory of Sound
Lord Rayliegh
100
Sound waves are considered to be _________, __________ waves.
Mechanical
Longitudinal
100
Incorporated in June 1975, is an independent, nonprofit organization that administers examinations and awards credentials in the areas of diagnostic medical sonography.
ARDMS
100
anechoic
well defined
posterior acoustic enhancement
100
I am an instrument that converts one form of energy into another form of energy.
Transducer
200
I purposed the theory of the effect of motion on pitch.
Christian Johann Doppler
200
In a longitudinal wave, particles in motion move ________ to the waves.
same direction
parallel!!
200
formed to assist sonographers with education, job placement and other professional information.
SDMS - Society of Diagnostic Medical Sonographers
200
Reverberation, multiple space echoes.
200
Name the types of credentials you will be awarded after sitting for the registries:
1. Abdomen
2. Vascular
3. Echo
4. OB
5. Breast
RDMS (AB) (OB) (BR)
RVT
RDCS
300
We developed the phenomenon of piezoelectricity.
Jacques and Pierre Curie
300
The average speed through soft tissue is:
1540 m/s or 1.54
300
a multidisciplinary association dedicated to advancing the safe and effective use of US in medicine through professional and public education, research, development of guidelines and accreditation.
AIUM- American Institute of Ultrasound in Medicine
300
Propagation of Speed Artifact
Occurs due to different propagation of speeds amongst structures
300
Two terms that describe echotexture:
heterogenous
homogenous
400
I am the "Father of Obstetrical Ultrasound"
Ian Donald
400
Propagation of speed is determined by:
stiffness and density
400
In 1974, I created the occupation of DMS and set forth the essentials for minimum education requirements for sonographer training.
AMA- American Medical Association
400
Attenuation is best defined as:
This decrease in intensity, power and amplitude.
400
Two Names for Anechoic:
Sonolucent
Echolucent
500
I implanted gallstones in the gallbladders of dogs and successfully detected them.
George Ludwig
500
Describe the relationship between stiffness and speed and density and speed.
As stiffness increases speed increases.
As density increases speed decreases.
500
I was formed in 1970. My goal was to promote, advance and educate its members and the medical community in the field of ultrasound. My name is now SDMS.
ASUTS. American Society of Ultrasound.
500
if something is highly attenuating what artifact will be portrayed posterior to the structure?
if something is a low attenuating structure what artifact will be portrayed posterior to the structure?
a. posterior acoustic shadowing
b. posterior acoustic enhancement
500
What are the frequency ranges for the following:
Ultrasound
Audible Sound
Infrasound
Ultrasound > 20, 000 Hz
Audible Sound 20Hz- 20,000 Hz
Infrasound < 20 Hz