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ARDMS Breast Ultrasound Registry Review Exam Questions and Solutions
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ARDMS Breast Ultrasound Registry Review Exam Questions and Solutions
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ARDMS Breast Ultrasound RegistryReview Exam Questions and
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ATTENUATION - -Reduction of Intensity and Amplitude of a Sound Wave
-ENHANCEMENT - -Increase in Echo Amplitude returning from regions lying
beyond an object that causes little to no attenuation of the sound beam
-SHADOWING - -Reduction in Echo Amplitude distal to a strongly
attenuating or reflecting structure.
-REAL TIME - -Real Time is the scanning and display of sonography images
at a sufficiently rapid rate so that moving structures can be "Seen" to move
at their natural rate. Frame Rates of 15 frames per second or greater are
considered real time.
-DEFINE ANECHOIC AND GIVE 2 SYNONYMS - -Anechoic is the appearance of
having NO internal echos(echo free) on a sonographic image.
Synonyms: EchoLUCENT, SonoLUCENT
-HYPOECHOIC. - -Hypoechoic is a region in a sonographic images where the
echos ARE NOT AS BRIGHT as normal or are LESS bright than surrounding
structures.
-HYPERECHOIC. Give 3 Synonyms - -Hyperechoic is a region in a
sonographic image where the echoes are BRIGHTER than normal or
BRIGHTER than surrounding structures.
Synonyms: echoDENSE, sonoDENSE, sonoOPAQUE
-Typical Frequencies in ultrasound range from 1 to 20 MHz. Transducer
frequency in critical in breast imaging. What frequency is best and why? - -A
7 to 15MHz frequency probe is best for breast imaging. The higher the
frequency transducers yield superior axial and lateral resolution (detail)
-What is the relationship between reslolution(detail) and penetration of
different ultrasound frequencies? - -High freqency transducers yield superior
image detail but lose penetration ability due to a shorter wavelength. Low
frequency probes penetrate deeper but lose image resolution due to longer
wavelength.
-Give Several reasons why a LINEAR ARRAY transducer is optimal for breast
imaging. - -rectangular image.
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