Neurology Flashcards
Give at least 5 main headaches
- Cluster
- Tension
- Giant cell arteritis
- Migraine
- Subarachnoid or intracranial haemorrhage
- Glaucoma
- Encephalitis or ICP
- Tumour
5 main red flag symptoms
Fever
Photophobia
Photophonia
Neck stiffness
Visual disturbances
Vomiting
Trauma
Cancer
Worse coughing and in different positions
Sudden occipital pain
Pregnancy
What can fundoscopy be used to detect?
Papilloedema
What can papilloedema suggest?
Raised ICP
What is papilloedema
Swelling of optic discs due to pressure
Initial investigations for headache?
- History and red flag symptoms
- Fundoscopy?
- CT/ neuro imaging?
What is a cluster headache
Unilateral throbbing behind an eye that can be red and swollen lacrimating and recurrent/reappearing
How long does a cluster headache last
15mins -3hrs
4 key signs of cluster headache
Miosis (pupillary constriction), ptosis (drooping eye), nasal discharge, facial swelling
management of cluster headache? (2?)
High flow oxygen 100%
Triptans
What prevents cluster headaches?
Verapamil
What’s a tension headache
Mild band pressure around the head, develops gradually and goes gradually
3 main causes of tension headaches
Dehydration, skipping meals, alcohol
3 management?
- Reassurance
- Water
- Simple analgesia (paracetamol ibuprofen)
What is used for chronic tension headaches
Amitriptyline
How many stages of migraine are there?
5
How many classes of migraines are there??
4
List the classes of migraines
Migraine with aura
Migraine without aura
Silent migraines
Hemiplegic migraines
What’s a silent migraine
Migraine with aura no headache
What’s a Hemiplegic migraine
Migraine that paralyses one side, resembles tia or stroke
5 stages of migraine?
Prodromal/pre - days before mood changes etc
Aura - visual/sesation/language
Headache - 4-72hrs
Resolution
Postdromal/recovery
What is aura
Visual disturbances or hallucinations
Sensations of tingling or numbness
Dysphasia
Can you have menstrual migraine?
Yes, 2 days before
Tx for migraine?
NSAIDs, paracetamol, Triptans and antiemetics if vomiting
What makes migraines worse?
Opiates
What are Triptans
5-ht receptor agonists, cause cranial vasoconstriction, inhibit pain signals, release inflammatory neuropeptides
What can prevent migraines?
Propanolol, amitriptyline
What is a stroke?
Ischaemia or infarction or intracranial haemorrhage
What is a TIA
Transichaemic attack
What risk does TIA pose with relation to stroke
Crescendo TIA (2+) within a week = stroke risk
What tools can be used to identify stroke?
FAST or ROSIER
What is the classification system for stroke called?
Oxford/bamford
3 criteria for oxford
- Unilateral hemiparesis and/or hemisensory loss of face/arm/leg
- Homonymous hemianopia (field loss deficient in the same halves of the visual field of each eye)
- Higher cognitive dysfunction (speech)
What signs does anteriro lesions have?
Contralateral hemisensory and hemiparesis
What signs does middle lesion have?
Hemisensory and hemiparesis (anterior - but of upper more common)
+
Contralateral homonomymous hemianopia
Aphasia
What would posterior lesion present as?
Contralateral homonymous hemianopia with macula sparing + visual agnosia
(LOTS OF VISION)
What would Webers region legion affect ?
Same sided CN3 palsy
Weakness of opposite upper and lower extremity
What would wallenbergs lesion suggest?
Same side face pain and temp loss
Opposite sensation change/temp loss
Ataxia
Nystagmus
DANVAH!!!!
What causes Amaurosis fugax
Retinal/opthalamic lesion
What causes locked in syndrome
Pons affected, basilar artery
What causes Wallenberg and facial paralysis and deafness (same side)?
Lateral pontine, anterior inferior
Risk assessment for stroke?
QRISK 3
Medical option for stroke prevention?
Anticoag/platelet, aspirin and statins
Tx for suspected TIA?
300mg aspirin, specialist tx within 24 hrs and lifestyle advice BP/HTN monitored
Clopidogrel + aspirin lastly
3 investigations for stroke
- FAST/ROSIER
- CT/MRI
- Carotid endartectomy
How does haemorrhage show on CT
Grey spot
How does ischamia show on ct
Black
Tx for acute stroke?
Alteplase (haemorrhage cause excluded)
Aspirin asap
Ppi for those with reflux/gord
Tx for acute haemorrhagic stroke
Surgical intervention, hTN tx and anticoag stopped and reversed (NO LMWH)