General facts Flashcards
Subdural haematoma is a bleed in?
Veins of the brain
What is kernigs sign?
Kernigs sign is positive when the thigh is flexed at the hip and knee at 90 degree angles, and subsequent extension in the knee is painful
What is GCA associated with?
Polymyalgia rheumatica
Liehthem’s disease is?
Degeneration of the posterior and lateral columns of the spinal cord.
Liehthem’s disease is a due to a deficiency in? (2)
B12 or copper
Two types of cavernous sinus thrombosis
Septic and aseptic
Posterior column involves fibres for?
Vibration, light touch and proprioception sensation
Lateral column involves fibres for?
Motor
Anterior column involves fibres for?
Pain and temperature sensation
Paraperesis
Bilateral UMN signs in the legs
How does a brown sequared lesion present? (unilateral lesion of the whole spinal cord)
Ipsilateral UMN signs in the leg
Ipsilateral loss of joint position and vibration
contralateral loss of pain and temp
5 causes of spinal cord compression
Trauma Degenerative disease Tumours Infective lesions Epidural haemorrhage
LMN signs (5)
Weakness Atrophy Fasiculations Reduced / normal tendon reflexes Plantar response not present
Common type of anterior horn disease
Motor neurone disease
Polyneuropathy common causes (2)
Diabetes
B12 deficiency
Pyramidal weakness means there is….
Loss of power in the extensors of the UL and in the flexors of the LL
Where is proximal weakness common (2)
Myopathy and myasthenia gravis
Lesion above the pyramidal track, the weakness is …
on the contralateral side
Lesion below the pyramidal track, the weakness is…
Ipsilateral side
Clinical features of an UMN lesion (6)
Spastic tone Pyramidal pattern of weakness Absence of muscle wasting Absence of fasiculations Brisk tendon reflexes Extensor plantar response
Classification of tremors (3)
Resting / Posture / Kinetic (intension / terminal)
Causes of a physiological tremor (4)
Anxiety
Metabolic problem (low glucose)
Alcohol withdrawal
Drugs - Beta agonist
What may diminish physiological tremors?
beta blockers
Characteristics of an essential tremor?
Bilateral Progressive Worse on concentration Usually terminal Improves with alcohol
Oral anti cholinesterase used in MG
pyridostigmine
Guillain-Barre syndrome usually follows what type of infections?
Resp / GI (diarrhoea)
What is GB syndrome?
Post infective inflammatory demyelinating neuropathy
What is shown on LP in GB syndrome?
Cytoalbuminologic dissociation
Normal cell count
Elevated protein
What is a bells palsy?
Acute LMN facial palsy
What is ramsay hunt syndrome?
Herpes zoster responsible for a bells palsy
Usual recovery time for bells palsy
80% within 2-8 weeks
Treatment for bells palsy
high dose steroids within the 1st week
eye care
Treatment for acute migraine
Triptan
NSAIDS
Metoclopromide (antiemetic)
Prophylactic treatment for migraine
Propanolol / topiramate
Treatment for acute cluster headache
O2 support
Sublingual / nasal triptan
Contraindications for triptans (2)
History of IHD/ TIA
Antibiotic given in suspected bacterial meningitis
Cefotaxime
When is an LP contraindicated in suspected B.meningitis (4)
Signs of raised ICP
Sepsis
Trauma
Major coagulopathy
Normal range of csf pressure on LP
7-18CM
extradural haematoma is a …… type of bleed.
arterial