What level spinal cord injury causes autonomic dysreflexia?
Above T6
Which causes sensorineural hearing loss: AICA or PICA?
AICA
How to differentiate Pontine/Basilar strke vs opioid overdose quickly?
Torch: In stroke the pinpoint pupils ARE reactive to light. Only POORLY reactive in opioid overdose
Wernike’s encephalopathy, what two investigations?
Korsakoff Syndrome 2 main features:
Antero and retrograde amnesia
Confabulation
Mneumonic for homonymous quadratanopias
PITS
Parietal-Inferior Radiations
Temporal-Superior Radiations
Where is the lesion: Macular sparing hom.hemaiopia?
occipital cortex
Where is the lesion: incongruous vs congruous hom.hemaniopia
Incong: optic tract
Cong: radiations or occipital lobe
Bitemporal hemaniopia: what is the pattern of upper vs lower quadrant of the hemaniopia?
Worse on lower= SUPERIOR compression
Worse of upper: INFERIOR compression (pituitary tumour)
In vestibular schwannoma what does the involvement of CN5 cause?
Absent corneal reflex
Which genetic condition is associated with BILATERAL vestibular schwannoma?
NF2
What is surgical 3rd nerve palsy?
Addition of dilated pupil to:
- ptosis
- Down out deviation
Trigeminal Neuralgia 1st line?
Carbemazepine
Which stroke syndrome (AND ARTERY) causes dysphagia, ipsi facial pain/temp loss, ipsi ataxia, vertigo&nystagmus?
Wallenberg’s Syndrome - PICA
Main CI for triptans?
IHD, Cerebrovascular disease
Name 3 red flags for a concerning cause of trigeminal neuralgia
Which stroke syndrome (AND ARTERY) causes CN3 palsy and contralateral hemipareis?
Weber’s Syndrome
PCA penetrating branches
Define chronic tension type headache
Occurs on 15 or more days per months
Prophylaxis of tension headaches
10 sessions of acupuncture over 5-8 weeks
If 1st line migraine Mx isn’t tolerated, what is added?
Oral metoclopramide or prochlorperazine
Consider: non-oral triptan and NSAID
^Cautious metoclopramide in kids!!
Migraine prophylaxis 1st and 2nd line
1st: Propanolol, topiramate (terato!), amitryptaline
2nd: acupuncture
Prophylaxis of menstrual migraines?
Mini-proph with:
Frovatriptan or zolmitriptan
1st line migrain in pregnany acute
1g paracetomol
(2nd NSAID 1st 2nd trimester only)
Prophylaxis of cluster headaches?
Verapamil
or tapered prednnisolone