Advanced Ultrasound & MRI
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Terms in this set (63)
What is needed to make sure a good Adequate contact between the transducer and
image is displayed when using body surface with the use of a coupling gel.
Ultrasound?
What determines whether sound The density of the structure.
waves will be transmitted forward vs
reflected back to the transducer? Because it determines how and what images you
And why does this matter see on the ultrasound screen.
The creation of an ultrasound image 1. the production of high-frequency sound waves.
depends on what three things? 2. the reception of a reflected wave or echo.
3. the conversion of the echo into an image.
What is Echogenicity? It refers to the brightness or darkness of tissue on
US.
What determines the degree of The amount of sound waves the tissue transmits or
echogenicity? reflects.
, What is Echogenic (hyperechoic) and Tissue that reflects more sound waves and
list examples. appears brighter or whiter
- Calcium
- Air (pneumobilia, gangrene, intraperitoneal, portal
venous gas)
- Gallstones
- Renal stones
- Bones
What is Sonolucent (hypoechoic) Tissue that transmits more sound waves (fewer
and list examples. sound waves are reflected back) and appears
darker.
- Cysts
- Abscesses
- Gallbladder
- Blood in vessels
- Urinary bladder
- Spinal fluid
What is Anechoic? Tissue that transmits all sound waves and appear
black.
The blue arrow is pointing to the What is the structure that the blue and red arrows
gallbladder (anechoic) are poiting to? Determine if the arrows point to
The red arrow points to gallstones echogenic, sonolucent, or anechoic tissue.
(echogenic or hyperechoic)
What are the two most common Logitudinal and Transverse
planes that US images are
produced?
Leave the first rating
Save
Terms in this set (63)
What is needed to make sure a good Adequate contact between the transducer and
image is displayed when using body surface with the use of a coupling gel.
Ultrasound?
What determines whether sound The density of the structure.
waves will be transmitted forward vs
reflected back to the transducer? Because it determines how and what images you
And why does this matter see on the ultrasound screen.
The creation of an ultrasound image 1. the production of high-frequency sound waves.
depends on what three things? 2. the reception of a reflected wave or echo.
3. the conversion of the echo into an image.
What is Echogenicity? It refers to the brightness or darkness of tissue on
US.
What determines the degree of The amount of sound waves the tissue transmits or
echogenicity? reflects.
, What is Echogenic (hyperechoic) and Tissue that reflects more sound waves and
list examples. appears brighter or whiter
- Calcium
- Air (pneumobilia, gangrene, intraperitoneal, portal
venous gas)
- Gallstones
- Renal stones
- Bones
What is Sonolucent (hypoechoic) Tissue that transmits more sound waves (fewer
and list examples. sound waves are reflected back) and appears
darker.
- Cysts
- Abscesses
- Gallbladder
- Blood in vessels
- Urinary bladder
- Spinal fluid
What is Anechoic? Tissue that transmits all sound waves and appear
black.
The blue arrow is pointing to the What is the structure that the blue and red arrows
gallbladder (anechoic) are poiting to? Determine if the arrows point to
The red arrow points to gallstones echogenic, sonolucent, or anechoic tissue.
(echogenic or hyperechoic)
What are the two most common Logitudinal and Transverse
planes that US images are
produced?
