Neuro Abnormalities Flashcards
Multiple Sclerosis
a progressive autoimmune disorder characterized by a combination of inflammation and degeneration of the myelin of the brain’s white matter
Patho of MS
previous infective agent
Lesions in MS occur in?
white and gray matter
Reflexes in MS
hyperactive deep tendon reflexes
petechiae and purpura may indicate
meningococcal meningitis
The incidence of primary brain tumors increased until about age
70
Internal Carotid Artery:
unilateral blindness; severe contralateral hemiplegia and hemianesthesia; profound aphasia
Middle cerebral artery:
alterations in communication, cognition, mobility and sensations; contralateral homonymous hemianopia; contralateral hemiplegia or hemiparesis; greater in face and arm than leg
Anterior Cerebral artery
emotional lability; confusion, amensia, personality changes; urinary incontinence; contralateral hemiplegia or hemiparesis; greater in lower than upper extremities
Posterior cerebral artery
hemianesthesia; contralateral hemiplegia; greater in face and upper extremities; cerebellar ataxia; tremor; visual loss–homonymous hemianopia, cortical blindness; receptive aphasia; memory deficits
vertebral or basilar artery: incomplete
unilateral or bilateral weakness of extremities; UMN weakness involving face, tongue, and throat; loss of vibratory sense; two-point discrimination and position sense; diplopia, homonymous hemianopia; nausea, vertigo, tinnitus, syncope, dysphagia, dysarthria, confusion drowsiness
anterior portion of pons
locked-in syndrome
posterior inferior cerebellar artery
Wallenberg syndrome; ipsilateral anesthesia of face and cornea for pain and temp (touch preserved); ipsilateral horner syndrome; contralateral loss of pain and temp sensation in trunk and extremities; ipsilateral decompensation of movement
anterior inferior and superior cerebellar arteries
difficulty in articulation, swallowing, no gross movements of limbs, nystagmus
anterior spinal artery
flaccid paralysis, below level of lesion; loss of pain, touch, temp