Neurology Flashcards
(14 cards)
What is the first line management for essential tremor?
Propranolol
What is the inheritance pattern of essential tremor?
Autosomal dominant
What type of tremor improves with alcohol and rest?
Essential tremor
What is the most common cause of titubation (head tremor)?
Essential tremor
Give an example of a postural tremor.
Essential tremor.
What type of tremor is worse if arms are outstretched (postural tremor)?
Essential tremor.
What diagnosis is suggested by repeated cramping, rhabdomyolysis and myoglobinuria after short bouts of exercise?
McArdle’s disease
Which enzyme is deficient in McArdle’s disease?
Muscle phosphorylase (myophosphorylase), needed for glycogen breakdown during exercise.
What is the likely location of a lesion causing inferior homonymous hemianopia?
Superior optic radiations in the parietal lobe.
What is the likely location of a lesion causing left homonymous hemianopia?
Right optic tract.
What is the likely location of the lesion causing bitemporal hemianopia?
Optic chiasm
In bitemporal hemianopia affecting the upper quadrants, what is the likely cause?
Inferior chiasmal compression, commonly a pituitary tumour
In bitemporal hemianopia affecting the lower quadrants, what is the likely cause?
Superior chiasmal compression, commonly a craniopharyngioma
What is the likely location of the lesion causing homonymous hemianopia with macula sparing?
Occipital cortex