Passmed questions Flashcards
Urinary incontinence + gait abnormality + dementia
normal pressure hydrocephalus
a reversible cause of dementia seen in elderly patients ?
normal pressure hydrocephalus
variant of fast score to assess stroke risk?
stROke ROsier score
Obese, young female with headaches and blurred vision, think?
idiopathic, intercranial hypertension.
idiopathic intercranial hypertension treatment?
weight loss and diuretic (acetazolamide)
two drugs that may cause peripheral neuropathy? “feels like walking on cotton wool”
nitrofurentoin and metronidazole
Normal pressure hydrocephalus management?
Normal pressure hydrocephalus
What is the most common presentation of multiple sclerosis?
optic neuritis
worsening of vision following rise in body temperature?
Uhthoff’s phenomenon: worsening of vision following rise in body temperature. Seen in MS
Colours, particularly reds, may appear “washed out” or less bright than usual. Which eye condition?
optic neuritis
Patients with MS can present with non specific symptoms. How do 75% present?
significant lethargy
what can you get in neck flexion in MS?
paraesthesia in limbs (Lhermittes syndrome)
what is paraesthesia?
abnormal sensation such as tingling, tickling or burning of a person’s skin with no apparent physical cause
Progressive degenerative disesase of brain. Accounts for majority of dementia in the UK?
alzheimers disease
what is thought to cause the inherited form?
mutations in amyloid precursor protein
what is apoE4?
class of proteins involved in the metabolism of fats in the body
macroscopic changes in alzheimers>
macroscopic: widespread cerebral atrophy, particularly involving the cortex and hippocampus
microscopic changes in alzheimers?
cortical plaques due to deposition of type A-Beta-amyloid protein and intraneuronal neurofibrillary tangles caused by abnormal aggregation of the tau protein
biochemically, what is there a deficit of in alzheimers?
acetylcholine
paired helical filaments are partly made from a protein called tau?
neurofibrillary tangles
There is a deficit of acetylcholine in amlzheimers. NICE now recommend the three acetylcholinesterase inhibitors. what are they?
donepezil, galantamine and rivastigmine
if intolerant of first l in drugs, what can be given second line ?
memantine (clementine)
DVLA advice post multiple TIAs: cannot drive for
3 months
if you have a seizure/fit, what must you do?
inform the DVLA
for patients with established epilepsy or those with multiple unprovoked seizures:
→ may qualify for a driving licence if they have been free from any seizure for?
12 months
if there have been no seizures for 5 years (with medication if necessary)