Flashcards in 27 Brain abscess and other CNS infections. Deck (13):
What are the bacterial causes of brain abscess? (4)
60% Streptococcus milleri.
Staph aureus if trauma/surgery.
What are the insidious causes of brain abscess? (4)
What are the pathogeneses of brain abscess? (4)
Contiguous spread: ear/teeth.
Trauma (inc surgery).
What is the presentation of a brain abscess? (7)
Headache, dizziness, seizures.
Focal neurological deficit.
How are brain abscess managed?
Reduces kPa, confirms diagnosis, pus for microbiology, enhance antibiotic efficacy, avoid ventricular spread.
Which antibiotics achieve therapeutic concentration in intracranial pus? (6)
What are the complications of a brain abscess? (4)
Raised intracranial pressure.
Rupture and ventriculitis.
What is a subdural empyema?
Infection between dura and arachnoid matter.
What are the causes of a subdural empyema? (5)
What is the pathogenesis of a subdural empyema? (4)
Spread from sinuses, middle ear or blood.
What is the most common cause of a external ventricular drain infection?
Coagulase -ve staphylococci.
Device removal and IV antibiotics.
What is the presentation of a subdural empyema? (5)