neuro Flashcards
Rapid onset dementia and myoclonus?
CJD
Which affected areas of the nervous system cause subacute combined degeneration of the spinal cord?
Dorsal columns and lateral corticospinal tracts
What MRI sequence has most likely been performed - dx of MS?
MRI FLAIR
What MRI sequence has most likely been performed - dx of thyroid eye disease?
MRI STIR
Loss of neurons in substantia nigra?
Parkinsons
Petechial haemorrhages in temporal lobe?
Herpes simplex encephalitis
Brown Sequard syndrome tracts affected and sx?
- Lateral corticospinal tract
- Dorsal columns
- Lateral spinothalamic tract
- Ipsilateral spastic paresis below lesion
- Ipsilateral loss of proprioception and vibration sensation
- Contralateral loss of pain and temperature sensation
Subacute combined degeneration of the spinal cord tracts affected and sx?
- Lateral corticospinal tracts
- Dorsal columns
- Spinocerebellar tracts
- Bilateral spastic paresis
- Bilateral loss of proprioception and vibration sensation
- Bilateral limb ataxia
Friedrich’s ataxia
- Lateral corticospinal tracts
- Dorsal columns
- Spinocerebellar tracts
- Bilateral spastic paresis
- Bilateral loss of proprioception and vibration sensation
- Bilateral limb ataxia
- Intention tremor
Anterior spinal artery occlusion tracts affected and sx?
- Lateral corticospinal tracts
- Lateral spinothalamic tracts
- Bilateral spastic paresis
- Bilateral loss of pain and temperature sensation
Syringomyelia tracts affected and sx?
- Ventral horns
- Lateral spinothalamic tract
- Flacid paresis (typically affecting the intrinsic hand muscles)
- Loss of pain and temperature sensation
MS tracts affected and sx?
Asymmetrical, varying spinal tracts involved
Combination of motor, sensory and ataxia symptoms
CJD main sx?
Myoclonus and rapid onset dementia
Wernicke’s encephalopathy?
CANOPEN
Confusion
Ataxia
Nystagmus
Ophthamoplegia
PEripheral
Neuropathy
Muscle weakness after exercise? Muscle weakness improves after exercise?
MG, Lambert Eaton
Voltage-gated Ca2+ channel antibody in which pathology?
Lambert Eaton
Otosclerosis vs Alport Syndrome hearing loss?
Oto - conductive, Alport - sensorineural
Proximal muscle weakness - esp legs, difficulty in standing from a seated position and climbing stairs, steroids improve condition?
Lambert-Eaton myasthenic syndrome