Neuro microbiology Flashcards
What pathogens are most likely to cause community acquired bacterial meningitis in adults <60 y/o?
Pneumococcus
Meningiococcus
H. influenzae
What pathogens are most likely to cause community acquired bacterial meningitis in adults >60 y/o or immunocomprimised?
Listeria
What is the treatment for community acquired bacterial meningitis?
IV ceftriaxone + IV dexamethazone (if Listeria add amoxicillin)
What pathogen is most likely to cause post-op meningitis?
Pseudmonas
Staph epidermidis
Staph aureus
What is the treatment for post-op meningitis?
Ceftazidime IV + flucloxacillin IV or vancomycin IV
What is the most likely pathogen in post trauma meningitis?
Pneumococcus
H. influenzae
Strep
Anaerobes
What is the treatment of post trauma meningitis?
Ceftriaxone IV + metranidazole iV
What is the most likely pathogen in a brain abscess?
Stretococci
Bacteroides spp
What is the antibiotic treatment for a brain abscess?
IV ceftriaxone + IV metronidazole
What is the most likely virus to cause viral encephalitis?
HSV
What is the treatment for viral encephalitis?
IV aciclovir (14 days then repeat LP if PCR still positive continue and LP weekly)
What are the most likely pathogens in viral meningitis?
Enteroviruses
HSV
VZV
Paramyovirus (mumps)
Treatment of viral meningitis
IV ceftriaxone + IV dexamethazone (stop treatment if diagnosed)
What is the management of meningitis in babies <3 months old?
Ceftaxime + Amoxicillin
What is the management of meningitis in children >3 months old?
Ceftaxamine +/- dexamethazone