Approaches to Patients with CNS Disorders II Flashcards Preview

Medicine, Year 2, Block 12 (Neurological, Neuromuscular, and MSK Diseases) > Approaches to Patients with CNS Disorders II > Flashcards

Flashcards in Approaches to Patients with CNS Disorders II Deck (29):
1

Where would a LMN lesion affect? Give some examples

- Anterior Horn Cell
- Nerve root
- Brachial / Lumbosacral Plexus
- Specific Nerve / Branch
- NMJ
- Muscle Disorder
- Peripheral Neuopathy

2

What is Dorsal Interossei muscle in the hand ennervated by?

Ulnar nerve

3

Cogwheel rigidity is synonymous with which condition?

Parkinson's Disease

4

What are the two types of Abnormal Posturing?

- Decerebrate posturing
- Decorticate posturing

5

What are the characteristics of Decerebrate posturing?

Extension of upper limbs, extended elbows

6

What are the characteristics of Decorticate posturing?

Flexion of upper limbs, elbows bent inwards into chest

7

What is the cause of Decerebrate posturing?

Lesion below the red nucleus

8

What is the cause of Decorticate posturing

Lesion above the red nucleus

9

Describe Grades 0-5 of Motor Power

0 = No movement
1 = Flicker of movement
2 = Movement with gravity removed
3 = Movement against gravity
4 = Movement against resistance
5 = Normal power

10

In Primary Lateral Sclerosis, what kind of lesions occur? UMN or LMN?

UMN signs

11

In Spinal muscle atrophy what kind of lesions occur? UMN or LMN?

LMN signs

12

In Amyotrophic Lateral Schlerosisi, what kind of lesions occur? UMN or LMN?

UMN and LMN signs

13

What are the two dorsal columns of the spinal cord called?

Fasciculus Gracilis
Fasciculus Cuneatus

14

How is the descending Corticospinal tract topographically represented in the Spinal cord?

Lateral aspect: Sacral tracts
Medial aspect: Cervical tracts

15

How is the Anterior Spinothalamic tract topographically represented in the Spinal cord?

Lateral aspect: Sacral tracts
Medial aspect: Cervical tracts

16

How is the Posterior Spinothalamic tract topographically represented in the Spinal cord?

Lateral aspect: Cervical tracts
Medial aspect: Sacral tracts

17

If you had lateral compression of the spinal cord, what motor symptoms would occur?

UMN signs in the lower limbs

18

Lesions in the anterior Spinothalamic tract would cause what symptoms?

Contralateral loss of temperature and pain sensation

19

Lesions in the posterior Spinothalamic tract would cause what symptoms?

Ipsilateral loss of propioception

20

A cervical disc prolapse would cause what motor symptoms?

LMN ipsilateral symptoms at level of spinal cord
UMN ipsilateral symptoms below the spinal cord

21

What is Brown Sequard Syndrome caused by?

Hemispinal cord lesion

22

What are the symptoms of Brown Sequard syndrome?

Paralysis and loss of Propioception on ipsilateral side of lesion

Loss of temperature and pain sensation on contralateral side of lesion

23

What does the Romberg's test assess?

Balance

24

What is a TIA defined as?

Episode of impaired cerebral circulation leading to reversible neurological deficit (Lasting less than 24 hours)

25

What are the two broad types of Stroke?

Ischaemic stroke
Haemorrhagic stroke

26

State 3 types of Ischaemic stroke

Thrombo-embolic
Embolic
Lacunar

27

Ataxia is caused by a lesion occurring where?

Cerebellar lesion

28

Lhermitte's phenomenon is caused by what?

Compression of upper cervical spinal cord

29

Painful loss of vision in the right eye would suggest what neurological condition?

Optic neuritis