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