NEURORADIOLOGY
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| STROKE IMAGING = ? | * 1st thing to do = NONCONTRAST CT (see what the cause is or bd/no bd) .... * 2nd thing is to do a Diffusion Weighted MRI
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| Areas more prone to having an infarct ? | * Watershed zones where the cerebral arteries end.... * Rare to see a cerebral artery injury n someone under 40
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| ISCHEMIC STROKE causes ? | * due to any occlusive arterial disease
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| MRI vs CT on imaging ? | * CT = bone is white ..... * MRI depends on type T1 vs T2, but Fat is white on T1, T2 = fat is black and bone is white
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| >50%MCA territory involved = ? | * A HIGH mortality rate
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| Vasogenic Edema = ? | * increased extracellular fluid and affects with white matter
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| Cytotoxic Edema = ? | * increased intracellular water and affects both white and gray matter
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| How to see if it is a new stroke vs. a new stroke ? | * Easiest = see older films... * Older = no midline shift, atrophy, and large ventricle
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| What are Lacunar Infarcts ? | * Usu due to some HTN issue and see little black areas from end arteries
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| Hemorrhagic Stroke causes ? | * Usu see inolder ppl and usu due to a HTN issue
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| SUBARACNOID HEMORRHAGE cause and what it presents like ? | * Top cause is due to a ruptured aneurysm... * Complains of WORST headache of their life.
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| SUBDURAL HEMATOMA = ? | * Crescent shape and should concern you if a child presents with this
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| EPIDURAL HEMATOMA = ? | * looks like a biconvex appearance
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| EPIDURAL HEMATOMA Cx ? | * Can have a Lucid Interval, where they get knocked out, seem fine after, and then get way worse.... * usu from a skull fracture
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| Used to measure Midline Shifts ? | * Septum Pellucidum
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