Neuro Flashcards

1
Q

Transient ischaemic attack investigations/management

A
  • 1st line - DIFFUSION WEIGHTED MRI/CT
  • 2nd line- carotid imaging ultrasound
  • Loading dose - 300mg ASPIRIN
  • No driving for month
  • Antiplatelet therapy - 75mg aspirin, and clopidogrel daily
  • Warfarin (anticoagulation) for those with AF
  • Carotid endartectomy - remove plaques in CA
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2
Q

Ischaemic stroke presentation

A

ACA - contralateral weakness and sensory loss of LOWER LIMB

MCA - contralateral weakness and sensory loss along with SPEECH ISSUES

PCA - Perception, HOMONYMOUS HEMIANOPIA

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3
Q

Ischaemic stroke management

A

Immediate - CT/MRI to exclude haemorrhage and loading dose 300mg aspirin
Further - Aspirin 300mg daily for 2 weeks then clopidogrel daily long term
- Warfarin for AF
- Thrombolysis - IV alteplase given within first 4/5 hours

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4
Q

Extradural haematoma pres/management

A
  • LEMON SHAPED LESION ON CT
  • Skull fracture - temporal or parietal bone
  • NO ASPIRIN
  • Ventilation for oxygen support
  • Craniectomy - clot evacuation and ligation
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5
Q

Subarachnoid haemorrhage/haematoma pres/management

A
  • THUNDERCLAP HEADACHE
  • Star-shaped lesion on CT (where ventricles are)
  • Berry aneurysm rupture
  • NIMODIPINE (CCB) for 3 weeks to prevent vasospasm
  • Endovascular coiling
  • Clamp berry aneurysm rupture
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6
Q

Subdural haematoma/haemorrhage pres/management

A
  • BANANA SHAPED LESION on CT
  • Clot turns from white (hypodense) to grey (hyperdense) over time
  • Small trauma long time ago
  • 1st line - irrigation via burr-hole craniostomy
  • 2nd line - craniotomy
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7
Q

Epilepsy diagnosis/treatment

A
  • Electroencephalogram (EEG) - supports diagnosis
  • MRI/CT head - exclusion of space occupying lesions
  • SODIUM VALPROATE
  • If female of child bearing potential LAMOTRIGINE
  • Myoclonic - levetiracetam/topiramate
  • Absence - ethosuximide
  • Partial seizure - lamotrigine
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8
Q

Status epilepticus info

A
  • Continuous seizure lasting over 5 minutes or repeated seizures with no recovery in between
  • IV LORAZEPAM
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9
Q

Parkinson’s disease pres/investigation/management

A
  • Tremor at rest
  • Parkinsonian gait
  • B-amyloid plaques
  • DaTscan

Young onset and biologically fit

  • 1st line - Da agonist e.g. ROPINIROLE
  • 2nd line - MOA-B inhibitor
  • 3rd line - L-DOPA (Levodopa)

Biologically frail and comorbidities

  • 1st line - L-DOPA
  • 2nd line - MOA-B inhibitor
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10
Q

Huntington’s def/pres

A
  • Progressive neurodegenerative disorder with 100% penetrance
  • Loss of main inhibitory neurotransmitter GABA
  • Chorea
  • Incoordination
  • Cognitive, behavioural difficulties
  • Irritability, agitation, anxiety
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11
Q

Huntington’s investigation/treatment

A
  • MRI/CT - LOSS OF STRIATAL VOLUME
  • Genetic testing
  • BENZODIAZEPINES/VALPROIC ACID for chorea
  • SSRI - depression
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12
Q

Alzheimer’s and Lewy body dementia medication

A

Cholinesterase inhibitors

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13
Q

Migraine management

A
  • Conservative - avoid triggers
  • Mild - NSAIDs - ibuprofen
  • Severe - Oral TRIPTANS e.g. sumatriptan
  • Prophylaxis - beta blockers (propanolol), TCA’s
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14
Q

Multiple sclerosis presentation

A
  • TEAM - tingling, eye (optic neuritis), ataxia, motor (paraparesis)
  • Decreased vibration sense
  • Dysphagia/constipation
  • Visual impairment
  • FALLS
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15
Q

Multiple sclerosis investigations/treatment

A
  • MRI - GD-enhancing plaques
  • Lumbar puncture
  • MDT approach
  • Acute - methyl prednisolone
  • Relapse - DMARDs or biologicals
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16
Q

Types of MND

A

ALS (80%)

  • UMN + LMN SIGNS
  • Asymmetric
  • Babinski response

Progressive bulbar palsy

  • UMN + LMN
  • Jaw jerk
  • Hoarse speech

Progressive muscular atrophy
- LMN only

Primary lateral sclerosis
- UMN only

17
Q

Myasthenia gravis def/pres

A

Autoimmune disease where antibodies destroy connection between nerves and muscles leading to INCREASING MUSCULAR FATIGUE

  • Eyelid droop
  • Face drop
  • Normal reflexes
  • Weakness
18
Q

Myasthenia gravis investigation/management

A
  • Positive tensilon test
  • Symptom control
  • Immunosuppression
19
Q

Bacterial meningitis causes

A
  • Neonates - group B strep (S. Agalactiae)
  • Children <2 - strep. pneumoniae
  • Up to 50 yrs - Neisseria meningitidis + strep pneumoniae
  • > 50 - strep pneumoniae + listeria meningitis
20
Q

Meningitis presentation

A
  • TRIAD OF FEVER, HEADACHE AND NECK STIFFNESS
  • Purpuric rash (sign of sepsis)
  • Photophobia and phonophobia
  • Papilloedema (swelling of optic disc on fundoscopy)
  • Kernig’s and Brudzinskis sign positive
  • Glass test - blancing or non blanching rash
21
Q

Meningitis diagnosis/treatment

A
  • 1st line - blood cultures
  • Gold standard - lumber puncture + CSF analysis
  • ABCDE + support
  • Empirical therapy - IV BENZYLPENICILLIN
  • Assess GCS
  • 1st line - Ceftriaxone/cefotaxime, add IV benzylpenicillin for rash
  • Prophylaxis - rifampicin and ciprofloxacin
22
Q

Guillain-Barre syndrome def

A
  • Neuropathy often after infection

- SUDDEN GROWING WEAKNESS AFTER INFECTION

23
Q

ABCD2

A
  • Scoring tool measuring risk of stroke after TIA
    Age: >60 yrs +1
    Blood pressure: >140/90mmHg +1
    Clinical features: Unilateral weakness +2
    Speech impairment without
    weakness +1
    Duration of symptoms: >60 minutes +2
    <60 minutes +1
    Diabetes: on medication/insulin +1