Disorders Of CEREBELLAR FUNCTION

Question 1

Parts of cerebellum

Answer 1

3 lobes :
Anterior
Posterior
Flocculonodular

Question 2

What is ataxia

Answer 2

Loss of control on bodily movements leading to
Intention tremors
Past pointing
Mild hypotonia

Question 3

Genetic AUTOSOMAL RECESSIVE CAUSE OF ATAXIA

Answer 3

Freidrichs ataxia

Question 4

Genetic AUTOSOMAL Dominant cause of ataxia

Answer 4

Spinocerebellar ataxia

Question 5

Various causes of ataxia 🌟 VIT SID

Answer 5

Question 6

Cerebellar signs

Answer 6

Gait ataxia
Sensory ataxia
Truncal ataxia
Cerebellar dysarthria
Dyssynergia
Macrographia
Dysdiadochokinesia
Tremor
Nystagmus
Pendular knee jerk
Nausea nd vomiting

Question 7

Cerebellar signs 🌟 DANISH

Answer 7

Dysdiadochokinesia, dysmetria
Ataxia
Nystagmus
Intentional tremor
Slurred speech
Hypotonia

Question 8

Tandem gait

Answer 8

Walking along a line on the floor determine minor degrees of gait ataxia

Question 9

Principles of ROMBERGS SIGN

Answer 9

Prioprioception
Vestibular function
Vision

Any 2/3 should be normal to maintain balance while standing

Question 10

Riddochs sign

Answer 10

Outstretched hand tends to be hyper pronated at rest and at a slightly higher level than unaffected side
And rebounds upwards if suddenly pressed downwards

Question 11

Pendular knee jerk

Answer 11

Sign of cerebellar dysfunction
Reflex is less brisk and slow rise nd fall
MORE THAN 3 OSCILLATIONS