multiple sclerosis Flashcards
name the condition
blurred vision and red desaturation
optic neuritis
criteria for MS
mcdonald criteria
what gets demylinated in MS
white matter
what cells are affected in MS
oligodendrocytes
genetic factor that contribute to MS
HLA DR2
what is the ultimate outcome of the pathophysiology of MS
demyelination and axonal death
what is seen on MRI imaging in MS
plaques due to scarring of oligodendrocytes
what is the most common type of MS
relapsing remitting MS
what is optic neuritis
inflammation of optic nerve
what does uhtoff phenomenon suggest about MS
symptoms worsen following rise in temp e.g. hot bath
what type of signs does MS present with
UMN
LMN
UMN signs
problem in CNS
what is lhermittes phenomenon in MS
flex neck = electric shock sensation down spine
what is intranuclear opthalmaplegia
when looking in direction one moves but other eye stays still
what is responsible for intranuclear opthalmaplegia
- demyelination of dorsal longitudinal fasiculus
- demyelination of medial longitudinal fasiculus
- demyelination of medial longitudinal fasiculus
what is an important investigations needed in Ms
MRI brain and spine