Blumenfeld Flashcards
Decreased level of alertness can be seen with?
#Bilateral cerebral dysfunction #Dysfunction of brainstem and diencephalic reticular activating systems
Unilateral extinction on double simultaneous stimulation suggests?
Neglect (parietal lobe lesion)
Babinski in acute UMN lesion?
Can be normal
Uncal herniation triad?
Ipsilateral Blown pupil
Contralateral Hemiplegia
Coma
Hemiplegia, pupillary dysfunction, altered consciousness - lesion location?
Midbrain
Unarousable, bilateral fixed pupils, no EOM, bilateral extensor posturing - lesion location?
Bilateral with some brainstem intact (decerbrate posturing) - likely hemorrhage causing bi-Uncal herniation
Likely complication of pineal gland tumor?
Obstructive hydrocephalus by blocking aqueduct of Sylvius
Type if vision loss associated with hydrocephalus? Other causes?
Concentric vision loss
Sagittal sinus thrombosis, pseudotumor cerebri, mass lesion
Causes of upper and lower motor neuron lesions (not ALS)?
#Paraneoplastic motor neuron disease #hexosaminidase deficiency #lead toxicity
Arteries affected in thalamic infarction?
small penetrating arteries #lenticulostriate (MCA) #anterior choroidal (ICA) #thalamoperforator (PCA)
bulbocavernosus reflex?
Squeeze glans penis, look for anal wink
Radiculopathy that can present with Horner’s?
T1
L4 radiculopathy vs femoral nerve lesion?
Weak thigh addiction vs not
Pain in big toe with leg raise - nerve root?
L5