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12 Cards in this Set
- Front
- Back
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Advantages of native X-ray
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Commonly available
Sensitive to skull fracture |
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Disadvantages of native X-ray
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Exposure to ionizing radiation
Brain structure is minimally visible |
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What is pneumoencephalography replaced by?
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CT-scan
MRI |
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What is cerebral angiography used to image?
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Arterial and venous systems
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Risks of cerebral angiography
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Allergic reaction
Arterial spasm (cerebral infarction) |
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Contrast medium for myelography
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Water soluble iodinated contrast medium
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Indications of CT scan
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Infarctions
Intracranial hemorrhages Less sensitive for tumour than MRI Increased intracranial pressure before lumbar puncture Head trauma with facial or skull fractures |
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Shape of subdural hemorrhage
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Crescent shape
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Advantages of MRI
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No exposition to X-rays or radioactive substances
Brain slides in any directions |
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Contrast medium of magnetic resonance angiography
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Gadolinium
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Indications of PET
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Epileptogenic focus
Brain atrophy Parkinson's disease |
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What is SPECT important for?
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Determining cerebral blood flow
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