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30 Cards in this Set
- Front
- Back
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What ones use ionizing radiation |
Xrays CT Fluoroscopy Scinitigraphy |
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Which ones dont use ionizing radiation |
Ultrasound MRI |
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What type of radiation is scitinigraphy |
Gamma |
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What types use real time imaging |
Fluoroscopy Ultrasound Endoscopy |
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What is a roarer in a horse |
One muscle in throat does not expand when running |
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What is the treatment for roarer |
Tie the muscle back so it does not have a relaxed state |
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How do ultrasounds work |
Converted to electrical energy through piezoelectric crystals |
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Convex transducer |
Low frequency Low resolution High penetration |
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What is a convex transducer used for |
Farm animal |
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What number is a convex transducer |
3.5 |
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Linear transducer |
High frequency High resolution Low penetration |
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What is a linear transducer used for |
Cats and dogs |
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What number is a linear transducer |
7.5 |
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Attenuation |
Variation in speed |
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Reflection |
Bounce back |
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Attenuation will depend on the |
Attenuation coefficent |
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Artifacts |
Acoustic shadowing Reverberation Mirroring |
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How do MRIs work |
Water molecules get lined up by magnets when realeased by boom it can be read |
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What are MRIs used for |
Soft tissue |
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What does the room need to be lined with for MRIs |
Copper |
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MRI lingo |
Hyperintense Isointense Hypointense |
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CT stands for |
Computed Tomography |
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What is a CT good for |
Spinal cord |
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CT lingo |
Hypodense Isodense Hyperdense |
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What is CT measured in |
Hounsfield Units (HU) |
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What is the number in scintigraphy |
Tc99m |
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How does scitntigraphy work |
Uses gamma radiation by radioisotopes |
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High sensitivity |
Is there a lesion Scintigraphy |
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Low specificitiy |
Where is the lesion |
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Many cancer cells are taken up by |
Glucose |
