Neurology 10 Flashcards
(10 cards)
Describe the sequela of lesion to:
Cerebellar Vermis or midline lesion?
Lateral/Hemispheric lesion?
Cerebellar Vermis or midline lesion = Truncal or head ataxia
Lateral/Hemispheric lesion = Ipsilateral limb ataxia/dysmetria.
What is dysdiadochokinesis? What CNS lesion causes it?
Deficit in rapid and smooth alternating movements of hands or feet.
Caused by hemispheric cerebellar lesion (ipsilateral dysdiadochokinesis)
How does shaken baby syndrome result in death?
Subdural hematoma or subarachnoid hematoma.
Lower motor neuron signs arise from lesions that are distal to the anterior horn cells where the upper and motor neurons synapse.
What are the 7 major LMN signs?
- Motor weakness
- Flaccid muscle
- Hypotonia
- Atrophy
- Fasciculations
- Decreased reflex.
- muscle cramps
What exercise can cure BPPV?
What maneuver can help dx?
Brandt-Daroff exercises.
Dx= Dix- Hallpike maneuver.
What is the pathophysiology behind BPPV?
Otolith or sludge in Utricle of the Posterior Semicircular Canal of inner ear.
PKU is an autosomal recessive inborn error of metabolism disease…
- What is the enzymatic deficiency?
- What accumulates causing symptoms?
- What is the trx?
- Phenylalanine hydoxylase
- Phenylalanine accumulation.
- Phenylalanine free diet (mom must start during gestation to prevent MR of baby)
PKU is an autosomal recessive inborn error of metabolism disease…
What are the 5 main symptoms?
- Mental Retardation
- “mousy” odor
- Microcephaly
- Infantile spasms
- Light hair and skin pigmentation
What situation would you intervene with a internal carotid artery stenosis surgically?
- Symptomatic + >70% stenosis
2. >80% stenosis if asymptomatic
In Guillain-Barre syndrome, what associated infection before is associated with MOST severe illness?
Camphylobater Jejuni
