Imaging Terminology -D
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| show | Region which is free from echoes (black).
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| show | An ultrasound artifact, notably in muscles and tendons, which causes the echogenicity of a structure changes when the transducer is angled obliquely.
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| Artifacts | show 🗑
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| Attenuation | show 🗑
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| show | Degree of difference between the light and dark areas.
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| Contrast Medium | show 🗑
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| CT Scan | show 🗑
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| Discography (discogram) | show 🗑
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| Dosimeter | show 🗑
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| show | The capacity of a structure in the path of an ultrasound beam to reflect back soundwaves. The specific terminology is used to describe the characteristics of images in ultrasound.
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| Echoic | show 🗑
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| Gain | show 🗑
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| Gradient Field | show 🗑
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| show | Region in an ultrasound image in which the echoes are stronger (whiter) than normal or than surrounding structures.
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| Hypoechoic | show 🗑
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| show | An electronic device used to produce a fluoroscopic image with a low-radiation exposure. A beam of X-Rays passing through the patient is converted into a pattern of electrons in a vacuum tube.
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| Isoechoic | show 🗑
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| MRI | show 🗑
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| MRI Conditional | show 🗑
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| show | Presents no known hazards resulting from exposure to any MRI environment.
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| MRI Unsafe | show 🗑
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| show | An X-ray of the spinal cord after injection air or a radiopaque substance into the subarachnoid space.
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| Resolution | show 🗑
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| SAR (Specific Absorption Rate) | show 🗑
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| show | The total scan time is the time required to collect all data needed to generate the desired images.
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| Tesla | show 🗑
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| Time Gain Compensation (TGC) | show 🗑
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| Transducer | show 🗑
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