CT image: Dynamic contrast enhanced (Multi-phase CT)
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Used in pancreatic
Liver
Adrenal
Blood vessels
Describe MRI
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depends on the magnetic properties and number of hydrogen nuclei in the
area being imaged
,Why is Contrast used in radiography and CT?
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to outline walls, define anatomy, and show pathologic conditions
At what age should renal function be checked in regards to intravernous contrast
agents?
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Age > 60
CT contraindications
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Not first choice in children due to reproductive organ radiation.
Consider MRI or U/S
What are the disadvantages of nuclear medicine?
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Non-specific, ionizing radiation, cost, radioactive material handling
,Define fluoroscopy
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•Mobile x-ray tube
•Allows for real-time, dynamic views of structures
•Single or multiples views
•Can use IV or enteric contrast
•Diagnostic or therapeutic use
A category II patient in regards to metformin and IV contrast should be treated how?
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Metformin should be discontinued and withheld 48 hours after the
procedure. Renal function should be re-evaluated first.
What are the indications of a PET scan?
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Cancer, Neurologic imaging, and cardiac imaging
What shows up bright or high signal in a T2 MRI
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, CSF, Simple cysts, edema, tumors
Why is ultrasound useful in the heart?
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Detect wall motion abnormalities (echocardiogram)
What are the 4 sequences of MRI Pulse sequences
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Proton density weighting, T1-Weighted, T2-Weighted, STIR and FLair
sequence MRI
CT indications (chest, abdomen, pelvis)
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Fractures
Soft tissue (injuries)
Organs and structures
What are the advantages of ultrasound
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Used in pancreatic
Liver
Adrenal
Blood vessels
Describe MRI
Give this one a try later!
depends on the magnetic properties and number of hydrogen nuclei in the
area being imaged
,Why is Contrast used in radiography and CT?
Give this one a try later!
to outline walls, define anatomy, and show pathologic conditions
At what age should renal function be checked in regards to intravernous contrast
agents?
Give this one a try later!
Age > 60
CT contraindications
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Not first choice in children due to reproductive organ radiation.
Consider MRI or U/S
What are the disadvantages of nuclear medicine?
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Non-specific, ionizing radiation, cost, radioactive material handling
,Define fluoroscopy
Give this one a try later!
•Mobile x-ray tube
•Allows for real-time, dynamic views of structures
•Single or multiples views
•Can use IV or enteric contrast
•Diagnostic or therapeutic use
A category II patient in regards to metformin and IV contrast should be treated how?
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Metformin should be discontinued and withheld 48 hours after the
procedure. Renal function should be re-evaluated first.
What are the indications of a PET scan?
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Cancer, Neurologic imaging, and cardiac imaging
What shows up bright or high signal in a T2 MRI
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, CSF, Simple cysts, edema, tumors
Why is ultrasound useful in the heart?
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Detect wall motion abnormalities (echocardiogram)
What are the 4 sequences of MRI Pulse sequences
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Proton density weighting, T1-Weighted, T2-Weighted, STIR and FLair
sequence MRI
CT indications (chest, abdomen, pelvis)
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Fractures
Soft tissue (injuries)
Organs and structures
What are the advantages of ultrasound
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