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27 Cards in this Set
- Front
- Back
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classic triad for early Parkinsons?
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asymmetric:
resting tremor rigidity bradykinesia no weakness |
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Intention/kinetic tremors are due to damage to:
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the cerebellum
or spinocerebellar tracts of the spinal cord |
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Damage to thalamus is likely to produce a (deficiency):
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sensory disturbance
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nystagmus with a slow component to the left and a fast component to the right is called a
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right beating nystagmus.
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A downbeating nystagmus can be produced by:
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a lesion at the cervicomedullary junction, such as a meningioma at the foramen magnum
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Abnormal Heal-to-toe walking / Tandem gait may be because of
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Cerebellar dysfunction
routine test for alcahol intoxication (however, weakness, vertigo, etc can also contribute to it) |
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Anisocoria is
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unequal size of the pupils
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ptosis + miosis indicates which disease:
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oculosympathetic palsy (Horner's syndrome)
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Sympathetic nerve pathway to to the eye
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hypothalamus --> down through lateral aspect of brainstem --> synapses in the intermediolateral cell column of the spinal cord --> exits the spinal cord at T1 and synapses again in the suprerior cervical ganglion --> post ganglionic fibers travel along surface of COMMON CAROTID and INTERNAL CAROTID until branches leave along the opthalmic artery to the eye
Acute Horners is often <-- carotid artery dissection |
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Painful Horners syndrome acutely after vigorous activity is probably
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A carotid artery dissection
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CT measures ___
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density
Bone denser than blood denser than brain |
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In order to diagnose a possible Subarachnoid Hemorrhage you should get a?
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CT or LP
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A nontraumatic Subarachnoid hemorrhage is usually caused by___
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nontraumatic -
rupture of aneurysm bleeding from an AV malformation |
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Symptoms of nontraumatic Subarachnoid hemorrhage
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sudden, severe headaches.
vomiting, neck stiffness, cessation of activity Many pts with aneurysmal SAH have premonitory, or "Sentinal" headaches days or weeks prior |
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In order to diagnose an intracranial aneurysm you should get a?
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Cerebral angiography
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Dandy-walker syndrome - key features
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enlargement of the fouth ventricle
a partial or complete absence of the cerebellar vermis cyst formation near the internal base of the skull often has Inc. Cranial Pressure |
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Arnold-Chiari 1 or 2 is associated with Spina Bifida
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2
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Inability to perform rapid alternating movements (ex. tapping) is called
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dysdiadochokinesia
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alpha waves (relaxed, eyes closed) is what frequency?
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8-12Hz
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Alexia without agraphia (can't read but can write)-- lesion is where?
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left occipital lobe and splenium of corpus collosum
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Test for peripheral neuropathy
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nerve conduction study
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Frequency of Absence seizures on EEG in Hz
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3-Hz spike and wave pattern
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CSF analysis of TB meningitis shows:
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high protein
low glucose lymphocytic pleocytosis acid-fast bacilli in CSF |
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CSF analysis of Guillain-Barre shows:
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markedly high protein
Xanthochromic (yellow) normal cell count and everything else |
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1 month history of progressive behavioral disturbances, hallucinations, seizures, and obtundation
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herpes simplex 1
RBCs and WBCs in CSF. Normal glucose. elevated protein. often affects temporal and inferior frontal lobes (closest to mouth) |
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symptoms and CSF in Pseudotomor Cerebri
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(AKA. Idiopathy Intracranial Hypertension)
more common in women, associated with obesity and pregnancy or hypervitaminosis Sx. Headache, Papilledema, Blurred Vision CSF: increased opening pressure. Everything else normal Will not herniate with lumbar puncture despite increased ICP |
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CSF in MS
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moderate pleocytosis
elevated protein Oligoclonal banding studies of the fluid would be positive |
