Beaver Neurological diseases and injury Flashcards Preview

Neuro Med > Beaver Neurological diseases and injury > Flashcards

Flashcards in Beaver Neurological diseases and injury Deck (20)
Loading flashcards...
1
Q

What does the picture of Charcot Marie tooth look like?

A

Onion bulb formation

2
Q

What is wrong in charcot-marie tooth disease?

A

duplication of a chromosome that includes gene for peripheral myelin protein 22

3
Q

Describe progression of Charcot-Marie-Tooth disease

A

slow progression of muscular atrophy of the calf or distal muscle weakness

4
Q

What does the picture of tuberculoid leprosy loook like?

A

Non-caseating granulomas of the dermis

5
Q

What is Guillain-Barre syndrome?

A

acute inflammatory demyelinating polynueropathy

6
Q

What is the clinical symptoms of Guillain-Barre?

A

Ascending paralysis starting in distal limbs with early deep tendon reflexes disappearing

7
Q

What does Guillain-Barre usually start?

A

a short time after recovering from influenza-like illness

8
Q

What is the histopathology of guillain-barre?

A

inflammation of pheripheral nerve with macrophages swarming around a nerve

9
Q

What is Tay-Sachs disease?

A

autosomal recessive deficiency of hexamindase A leading to accumulation of gangliosides

10
Q

What does B1 deficiency present as?

A

beri-beri

11
Q

What can alcoholism lead to?

A

Deficiency of vit B1 leading to wernike/korsakoff syndrome

12
Q

What does Vitamin b12 deficiency lead to?

A

anemia, slight ataxia, numbness progressing to spastic weakness, paraplegia

13
Q

What is histology of vit b12 deficiency?

A

Picture of a spinal cord section with lesions at the ventral portion

14
Q

What does a basilar fracture involve?

A

Usually a fracture at the base of the skull

15
Q

What are the results of a basilar fracture?

A

battle’s sights (retroauricular ecchymosis), raccoon eyes, CSF drainage due to dural tears

16
Q

What is a concussion

A

clinical syndrome of aleration of consciousness secondary to head injury, amnesia of the event

17
Q

Describe a epidural hematoma

A

Lens shaped on an MRI with bleeding into the space between dura and skull

18
Q

What causes an epidural hematoma?

A

typically rupture of middle meningeal artery

19
Q

What is a subdural hematoma?

A

crescent shaped on MRI, caused by a tear of the bridging veins

20
Q

Are patients lucid for several hours in an epidural hematoma or a subdural hematoma?

A

Epidural hematoma before the development of neurological signs