What does increased attenuation mean?
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objects are more dense. whiter. calcification, bone, metal. abosrb more
xrays.
What is the purpose of contrast on CT w/contrast imaging?
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to block x rays.
Where to identify white matter on imaging?
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centrally, appears darker than grey matter—higher content of myelinated
axons.
When to order a CT brain?
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r/o acute stroke/CVA (differentiate between hemorrhage/ischemic.
acute/severe HA: suspicion of intracranial bleed or head trauma.
Which view is front to back on CT?
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coronial
What does hypodense(hypointensity) look like on a CT?
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appears darker than the normal brain tissue.
usually results from infarcted tissue, air or edema.
decreased attentuation?
Give this one a try later!
objects are more dense. whiter. calcification, bone, metal. abosrb more
xrays.
What is the purpose of contrast on CT w/contrast imaging?
Give this one a try later!
to block x rays.
Where to identify white matter on imaging?
, Give this one a try later!
centrally, appears darker than grey matter—higher content of myelinated
axons.
When to order a CT brain?
Give this one a try later!
r/o acute stroke/CVA (differentiate between hemorrhage/ischemic.
acute/severe HA: suspicion of intracranial bleed or head trauma.
Which view is front to back on CT?
Give this one a try later!
coronial
What does hypodense(hypointensity) look like on a CT?
Give this one a try later!
appears darker than the normal brain tissue.
usually results from infarcted tissue, air or edema.
decreased attentuation?
