Neurology Missed Points Flashcards
Px presents with foot drop, ankle eversion is not affected but weakness in ankle inversion. what is likely cause of the Sx…
A) Common peroneal nerve palsy
B) L5 rediculopathy
Foot drop occurs in both
Weak inversion –> L5 rediculopathy
Eversion is affected in Common peroneal nerve palsy
Granulomatasis with polyangitis.. whats another name for it and give one finding on examination
wegeners granulomatosis
**Saddle shaped nose **
Haemoptysis
Coughing
Lab finding: c-ANCA
Is a CT scan part of a routine investigation for dementia
No! Instead do;
Mini-mental state exam
MRI; CT is not done routinely done for dementia
CSF fluid
Confusion screen should be done for any confused Px before doing the dementia screening.
What is hyperkinesia, depression and involuntary/irregular movements and restlessness related to.
Huntington’s chorea
What does the ACA, MCA and PCA supply and what happens when they are occluded
ACA
Medial portions of the frontal lobes and superior medial parietal lobes
Contralateral lower limb weakness
MCA
Frontal, temporal and parietal lobes inc. facial, throat and hand/arm innervation.
Speech impairment, contralateral weakness and hemiparesis of lower contralateral face
PCA
Supplies occipital lobe for visual processing
Acute vision loss and memory impairment
What automatism are seen in a temporal lobe seizures
Lip-smacking
Chewing
Fiddling
Why is lumbar puncture contraindicated in cerebellar tumour
When you get raised ICP and take out CSF for lumbar puncture may cause immediate coning.
Which nerve opens the fist
Radial nerve
What does damage to the median nerve cause
Affects the precision grip muscles
Wasting of the then at eminence and sensory loss/weakness of the abductor policies brevis
What does the claw sign indicate
Ulnar nerve palsy
What does damage to the axillary nerve cause
Weakness in shoulder abduction
How does viral meningitis remove
Self-resolving
- so give Almagest a, antipyretics and hydration
Could use Tx: IV ACYCLOVIR
Give 4 signs of Horner’s syndrome
Miosis
Ptosis
Anhydrosis
Damage to sympathetic nerves
What tumour can cause Horner’s syndrome
Pancoast tumour
What’s more appropriate for multiple sclerosis… CT HEAD / MRI
MRI