Flashcards in Exam Deck (17):
Diagnostic tests for viral meningitis? (3)
Viral culture of throat swab, stool
Viral PCR on CSF
Distinguishing features of viral encephalitis? (2)
Focal neurological deficit
Important features of the history to ask about in viral encephalitis? (2)
Recent travel, occupational exposure
Bacterial meningitis causative organisms:
c) young children/ older childen/adults
a) consider listeria, TB
b) group b strep, listeria, E.coli
c) pneumococcal, meningococcal
Initial blind antibiotic therapy in suspected bacterial meningitis
IV cefotaxime + amoxicillin if listeria suspected
Also give steroids with first dose
Antibiotic for confirmed meningococcal meningitis
When is meningitis contact prophylaxis required and what is given?
70% of mutations in Duchenne MD are..
Large deletions in the dystrophin gene
What area of the brain is atrophied prominently in Huntingtons?
The caudate nucleus
Genes causing autosomal dominant Alzheimers (3)
presenilin 1 and 2
Bilateral acoustic neuromas are a sign of what inherited condition?
Features which distinguish tuberous sclerosis from NF?(3)
CT findings in subdural haemorrhage
Crescent-shaped hyperdensity (acute) or hypodense (chronic)
Surgical management of subdural haemorrhage
Craniotomy + drainage
Medical conditions which predispose to Berry aneurysms?
adult polycystic kidney disease
Feature of the history/imaging which points strongly to a diagnosis of extra dural haemorrhage?
Imaging- lentiform hyperdensity (limited by skull sutures)