Hematomas and Herniations (Presentations) Flashcards
Epidural Hemorrhage
“Hit on side of head”
Middle Meningeal A
Pterion
Lens shape MRI
Subdural Hemorrhage
“Shaken baby, elderly, alcoholic”
Venous/Sinus structures
Crescent MRI
Subarachnoid Hemorrhage
Thunderclap Headache
Circle of Willis
Intracerebral Hemorrhage
Bleeding within brain
Middle Cerebral A.
Bright white spot in brain
Subfalcine Herniation
Supratentorial Compartment
ACA Compression
Displaced under falx cerebri (Bowed)
Brain pushed to opposite side
Transtentoral Herniation
Displace towards Tentorial notch
Basillar A. Compression
Upper brainstem, CN III affected
Decorticate/Decerebrate rigidity
Uncal Herniation
Uncus extends over edge of Tentoirum cerebelli + tentorial notch
Impinge on midbrain
Weber’s Syndrom
PCA affected
Tonsillar Herniation
Tonsils through foramen magnum
Compressed medulla + spinal cord